familyCactaceae
subfamilyCactaceae subfam. Cactoideae
genusEchinocereus
speciesEchinocereus reichenbachii
Difference between revisions of "Echinocereus reichenbachii"
Cactaceae 3: 25. 1922.
Common names: Lace hedgehog cactus
Conservation concern
Basionym: Echinocactus reichenbachii Walpers Repert. Bot. Syst. 2: 320. 1843
Synonyms: Echinocactus reichenbachii var. albispinus (Lahman) L. D. Benson Echinocactus reichenbachii subsp. baileyi (Rose) N. P. Taylor Echinocactus reichenbachii subsp. caespitosus (Engelmann) W. Blum & Mich. Lange Echinocactus reichenbachii subsp. fitchii (Britton & Rose) L. D. Benson
Treatment appears in FNA Volume 4. Mentioned on page 173.
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|common_names=Lace hedgehog cactus | |common_names=Lace hedgehog cactus | ||
| − | |basionyms={{Treatment/ID/ | + | |special_status={{Treatment/ID/Special_status |
| + | |code=C | ||
| + | |label=Conservation concern | ||
| + | }} | ||
| + | |basionyms={{Treatment/ID/Basionym | ||
|name=Echinocactus reichenbachii | |name=Echinocactus reichenbachii | ||
|authority=Walpers | |authority=Walpers | ||
| + | |rank=species | ||
| + | |publication_title=Repert. Bot. Syst. | ||
| + | |publication_place=2: 320. 1843 | ||
}} | }} | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Echinocactus reichenbachii var. albispinus | |name=Echinocactus reichenbachii var. albispinus | ||
|authority=(Lahman) L. D. Benson | |authority=(Lahman) L. D. Benson | ||
| − | }}{{Treatment/ID/Synonym | + | |rank=variety |
| + | }} {{Treatment/ID/Synonym | ||
|name=Echinocactus reichenbachii subsp. baileyi | |name=Echinocactus reichenbachii subsp. baileyi | ||
|authority=(Rose) N. P. Taylor | |authority=(Rose) N. P. Taylor | ||
| − | }}{{Treatment/ID/Synonym | + | |rank=subspecies |
| + | }} {{Treatment/ID/Synonym | ||
|name=Echinocactus reichenbachii subsp. caespitosus | |name=Echinocactus reichenbachii subsp. caespitosus | ||
|authority=(Engelmann) W. Blum & Mich. Lange | |authority=(Engelmann) W. Blum & Mich. Lange | ||
| − | }}{{Treatment/ID/Synonym | + | |rank=subspecies |
| + | }} {{Treatment/ID/Synonym | ||
|name=Echinocactus reichenbachii subsp. fitchii | |name=Echinocactus reichenbachii subsp. fitchii | ||
|authority=(Britton & Rose) L. D. Benson | |authority=(Britton & Rose) L. D. Benson | ||
| + | |rank=subspecies | ||
}} | }} | ||
|hierarchy=Cactaceae;Cactaceae subfam. Cactoideae;Echinocereus;Echinocereus reichenbachii | |hierarchy=Cactaceae;Cactaceae subfam. Cactoideae;Echinocereus;Echinocereus reichenbachii | ||
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>unbranched or sometimes 12-branched. <b>Stems</b> erect, cylindric or short cylindric, 7.5–30(–40) × (2.5–)4–10 cm; ribs 10–19, slightly undulate; areoles 1–6(–10) mm apart. <b>Spines</b> 15–36 per areole, white to tan, dull pink, dark brown, or purplish black, central spines and spine tips often darker; radial spines 12–36 per areole, straight to slightly curved, appressed, pectinately arranged or nearly so, 2–8(–25) mm; central spines 0–7 per areole, terete, 1–6(–15) mm. <b>Flowers</b> 4.5–8(–12) × 5–10(–12) cm; flower tube 22–40 × 10–30 mm; flower tube hairs 5–15 mm; inner tepals silvery pink to magenta, usually white, crimson, green, or multicolored proximally, 23–40 × 5–15 mm, tips relatively thin, delicate; anthers yellow; nectar chamber 2–5 mm. <b>Fruits</b> green, olive green, or dark green, 15–28 mm, pulp white. <b>2n</b> = 22.</span><!-- |
-->{{Treatment/Body | -->{{Treatment/Body | ||
| + | |phenology=Flowering early May-late Jun; fruiting 1 1/2-2 1/2 months after flowering. | ||
|habitat=Chihuahuan Desert, desert scrub, grasslands, oak-juniper woodlands | |habitat=Chihuahuan Desert, desert scrub, grasslands, oak-juniper woodlands | ||
|elevation=0-1500 m | |elevation=0-1500 m | ||
|distribution=Colo.;Kans.;N.Mex.;Okla.;Tex.;Mexico (Coahuila;Nuevo León;Tamaulipas). | |distribution=Colo.;Kans.;N.Mex.;Okla.;Tex.;Mexico (Coahuila;Nuevo León;Tamaulipas). | ||
|discussion=<p>Of conservation concern.</p><!-- | |discussion=<p>Of conservation concern.</p><!-- | ||
| − | --><p>The entire Echinocereus reichenbachii species group (E. reichenbachii, E. chisosensis, E. rigidissimus, E. pseudopectinatus, and an indefinite number of Mexican species) has unusually thin, bristlelike spines clothing the flowers and fruits as well as conspicuous, cobwebby tomentum of unusually long areolar hairs. The persistent, dry, white features of the flower tube are an essential distinction contrasting with the otherwise similar E. pectinatus species group (E. pectinatus, E. dasyacanthus, and possibly E. bonkerae), regardless of the spectacular, colorful floral displays.</p><!-- | + | --><p>The entire <i>Echinocereus reichenbachii</i> species group (<i>E. reichenbachii</i>, <i>E. chisosensis</i>, <i>E. rigidissimus</i>, <i>E. pseudopectinatus</i>, and an indefinite number of Mexican species) has unusually thin, bristlelike spines clothing the flowers and fruits as well as conspicuous, cobwebby tomentum of unusually long areolar hairs. The persistent, dry, white features of the flower tube are an essential distinction contrasting with the otherwise similar <i>E. pectinatus</i> species group (<i>E. pectinatus</i>, <i>E. dasyacanthus</i>, and possibly <i>E. bonkerae</i>), regardless of the spectacular, colorful floral displays.</p><!-- |
| − | --><p>The taxonomic and geographic boundaries among the segregate species or numerous proposed infraspecific taxa of Echinocereus reichenbachii remain nebulous and controversial. In no place do pure populations exist sympatrically, and all taxa appear completely interfertile. Typical E. reichenbachii is endemic to Mexico, near Saltillo, Coahuila. The common plants of E. reichenbachii in Texas, usually lacking central spines, are weakly distinguished from typical E. reichenbachii and are the basis for E. reichenbachii subsp. caespitosus. Oklahoma populations with unusually long bristlelike spines were named E. baileyi Rose [E. reichenbachii subsp. baileyi]. They intergrade, however, with the nearby, short-spined populations of E. reichenbachii. Echinocereus reichenbachii var. albispinus pertains to intermediates between E. baileyi and E. reichenbachii subsp. caespitosus. The flowers of E. reichenbachii var. fitchii are among the largest in the species, and their exact color pattern may prove taxonomically significant. Echinocereus reichenbachii var. albertii is somewhat morphologically and geographically intermediate between var. caespitosus and var. fitchii, but with flowers more closely resembling var. fitchii; it is sometimes considered a synonym of var. fitchii or a variety of E. fitchii Britton & Rose. The name | + | --><p>The taxonomic and geographic boundaries among the segregate species or numerous proposed infraspecific taxa of <i>Echinocereus reichenbachii</i> remain nebulous and controversial. In no place do pure populations exist sympatrically, and all taxa appear completely interfertile. Typical <i>E. reichenbachii</i> is endemic to Mexico, near Saltillo, Coahuila. The common plants of <i>E. reichenbachii</i> in Texas, usually lacking central spines, are weakly distinguished from typical <i>E. reichenbachii</i> and are the basis for <i>E. reichenbachii</i> subsp. caespitosus. Oklahoma populations with unusually long bristlelike spines were named <i>E. baileyi</i> Rose [<i>E. reichenbachii</i> subsp. baileyi]. They intergrade, however, with the nearby, short-spined populations of <i>E. reichenbachii</i>. <i>Echinocereus reichenbachii</i> var. albispinus pertains to intermediates between <i>E. baileyi</i> and <i>E. reichenbachii</i> subsp. caespitosus. The flowers of <i>E. reichenbachii</i> var. fitchii are among the largest in the species, and their exact color pattern may prove taxonomically significant. <i>Echinocereus reichenbachii</i> var. albertii is somewhat morphologically and geographically intermediate between <i></i>var.<i> caespitosus</i> and var. fitchii, but with flowers more closely resembling var. fitchii; it is sometimes considered a synonym of var. fitchii or a variety of E. fitchii Britton & Rose. The name “<i>Echinocereus</i> melanocentrus” appears frequently in cactus literature but has not been validly published.</p><!-- |
| − | --><p>Echinocereus reichenbachii is in the Center for Plant Conservation’s Collection of Endangered Plants.</p> | + | --><p><i>Echinocereus reichenbachii</i> is in the Center for Plant Conservation’s Collection of Endangered Plants.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Echinocereus reichenbachii | name=Echinocereus reichenbachii | ||
| − | |||
|authority=(Walpers) Haage ex Britton & Rose | |authority=(Walpers) Haage ex Britton & Rose | ||
|rank=species | |rank=species | ||
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|basionyms=Echinocactus reichenbachii | |basionyms=Echinocactus reichenbachii | ||
|family=Cactaceae | |family=Cactaceae | ||
| + | |phenology=Flowering early May-late Jun; fruiting 1 1/2-2 1/2 months after flowering. | ||
|habitat=Chihuahuan Desert, desert scrub, grasslands, oak-juniper woodlands | |habitat=Chihuahuan Desert, desert scrub, grasslands, oak-juniper woodlands | ||
|elevation=0-1500 m | |elevation=0-1500 m | ||
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|publication title=Cactaceae | |publication title=Cactaceae | ||
|publication year=1922 | |publication year=1922 | ||
| − | |special status= | + | |special status=Conservation concern |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V4/V4_329.xml |
|subfamily=Cactaceae subfam. Cactoideae | |subfamily=Cactaceae subfam. Cactoideae | ||
|genus=Echinocereus | |genus=Echinocereus | ||
|species=Echinocereus reichenbachii | |species=Echinocereus reichenbachii | ||
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Latest revision as of 22:57, 5 November 2020
Plants unbranched or sometimes 12-branched. Stems erect, cylindric or short cylindric, 7.5–30(–40) × (2.5–)4–10 cm; ribs 10–19, slightly undulate; areoles 1–6(–10) mm apart. Spines 15–36 per areole, white to tan, dull pink, dark brown, or purplish black, central spines and spine tips often darker; radial spines 12–36 per areole, straight to slightly curved, appressed, pectinately arranged or nearly so, 2–8(–25) mm; central spines 0–7 per areole, terete, 1–6(–15) mm. Flowers 4.5–8(–12) × 5–10(–12) cm; flower tube 22–40 × 10–30 mm; flower tube hairs 5–15 mm; inner tepals silvery pink to magenta, usually white, crimson, green, or multicolored proximally, 23–40 × 5–15 mm, tips relatively thin, delicate; anthers yellow; nectar chamber 2–5 mm. Fruits green, olive green, or dark green, 15–28 mm, pulp white. 2n = 22.
Phenology: Flowering early May-late Jun; fruiting 1 1/2-2 1/2 months after flowering.
Habitat: Chihuahuan Desert, desert scrub, grasslands, oak-juniper woodlands
Elevation: 0-1500 m
Distribution
Colo., Kans., N.Mex., Okla., Tex., Mexico (Coahuila, Nuevo León, Tamaulipas).
Discussion
Of conservation concern.
The entire Echinocereus reichenbachii species group (E. reichenbachii, E. chisosensis, E. rigidissimus, E. pseudopectinatus, and an indefinite number of Mexican species) has unusually thin, bristlelike spines clothing the flowers and fruits as well as conspicuous, cobwebby tomentum of unusually long areolar hairs. The persistent, dry, white features of the flower tube are an essential distinction contrasting with the otherwise similar E. pectinatus species group (E. pectinatus, E. dasyacanthus, and possibly E. bonkerae), regardless of the spectacular, colorful floral displays.
The taxonomic and geographic boundaries among the segregate species or numerous proposed infraspecific taxa of Echinocereus reichenbachii remain nebulous and controversial. In no place do pure populations exist sympatrically, and all taxa appear completely interfertile. Typical E. reichenbachii is endemic to Mexico, near Saltillo, Coahuila. The common plants of E. reichenbachii in Texas, usually lacking central spines, are weakly distinguished from typical E. reichenbachii and are the basis for E. reichenbachii subsp. caespitosus. Oklahoma populations with unusually long bristlelike spines were named E. baileyi Rose [E. reichenbachii subsp. baileyi]. They intergrade, however, with the nearby, short-spined populations of E. reichenbachii. Echinocereus reichenbachii var. albispinus pertains to intermediates between E. baileyi and E. reichenbachii subsp. caespitosus. The flowers of E. reichenbachii var. fitchii are among the largest in the species, and their exact color pattern may prove taxonomically significant. Echinocereus reichenbachii var. albertii is somewhat morphologically and geographically intermediate between var. caespitosus and var. fitchii, but with flowers more closely resembling var. fitchii; it is sometimes considered a synonym of var. fitchii or a variety of E. fitchii Britton & Rose. The name “Echinocereus melanocentrus” appears frequently in cactus literature but has not been validly published.
Echinocereus reichenbachii is in the Center for Plant Conservation’s Collection of Endangered Plants.
Selected References
None.
Lower Taxa
None.