Difference between revisions of "Caulanthus crassicaulis"

(Torrey) S. Watson

Botany (Fortieth Parallel), 27. 1871.

Endemic
Basionym: Streptanthus crassicaulis Torrey in H. Stansbury, Exped. Great Salt Lake, 383, plate 1. 1852
Synonyms: Caulanthus crassicaulis var. glaber M. E. Jones Caulanthus glaber A. Heller Caulanthus senilis
Treatment appears in FNA Volume 7. Treatment on page 681. Mentioned on page 678.
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|year=1871
 
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|name=Streptanthus crassicaulis
 
|name=Streptanthus crassicaulis
 
|authority=Torrey
 
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|publication_title=in H. Stansbury, Exped. Great Salt Lake,
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|synonyms={{Treatment/ID/Synonym
 
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|name=Caulanthus crassicaulis var. glaber
 
|authority=M. E. Jones
 
|authority=M. E. Jones
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|name=Caulanthus glaber
 
|name=Caulanthus glaber
 
|authority=A. Heller
 
|authority=A. Heller
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|rank=species
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}} {{Treatment/ID/Synonym
 
|name=Caulanthus senilis
 
|name=Caulanthus senilis
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|hierarchy=Brassicaceae;Brassicaceae tribe Thelypodieae;Caulanthus;Caulanthus crassicaulis
 
|hierarchy=Brassicaceae;Brassicaceae tribe Thelypodieae;Caulanthus;Caulanthus crassicaulis
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|elevation=1200-2900 m
 
|elevation=1200-2900 m
 
|distribution=Ariz.;Calif.;Colo.;Idaho;Nev.;Utah;Wyo.
 
|distribution=Ariz.;Calif.;Colo.;Idaho;Nev.;Utah;Wyo.
|discussion=<p>E. B. Payson (1923), R. C. Rollins (1993), and R. E. Buck (1995) recognized two varieties of Caulanthus crassicaulis and separated them solely on the basis of var. crassicaulis having pubescent sepals and glabrous or pubescent leaves, and var. glaber having glabrous or sparsely pubescent sepals and glabrous leaves. In my opinion, this distinction is impractical; as in some other species of Caulanthus, both glabrous and pubescent forms occur sometimes within the same population.</p>
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|discussion=<p>E. B. Payson (1923), R. C. Rollins (1993), and R. E. Buck (1995) recognized two varieties of <i>Caulanthus crassicaulis</i> and separated them solely on the basis of var. crassicaulis having pubescent sepals and glabrous or pubescent leaves, and <i></i>var.<i> glaber</i> having glabrous or sparsely pubescent sepals and glabrous leaves. In my opinion, this distinction is impractical; as in some other species of <i>Caulanthus</i>, both glabrous and pubescent forms occur sometimes within the same population.</p>
 
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name=Caulanthus crassicaulis
 
name=Caulanthus crassicaulis
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|authority=(Torrey) S. Watson
 
|authority=(Torrey) S. Watson
 
|rank=species
 
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|publication title=Botany (Fortieth Parallel),
 
|publication title=Botany (Fortieth Parallel),
 
|publication year=1871
 
|publication year=1871
|special status=
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|special status=Endemic
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|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V7/V7_1168.xml
 
|tribe=Brassicaceae tribe Thelypodieae
 
|tribe=Brassicaceae tribe Thelypodieae
 
|genus=Caulanthus
 
|genus=Caulanthus

Revision as of 23:52, 27 May 2020

Perennials; glabrous or sparsely pubescent. Stems erect or ascending, usually unbranched, rarely branched, (hollow, strongly inflated, fusiform, to 3 cm diam. at widest point), 2–10 dm. Basal leaves rosulate; petiole 0.5–9 cm; blade obovate to oblanceolate (in outline), 1–12 cm × 3–45 mm, margins entire, dentate-sinuate, lyrate, runcinate, or pinnatifid. Cauline leaves (distalmost) shortly petiolate; blade linear to narrowly oblanceolate, margins entire. Racemes (densely flowered), with a terminal cluster of sterile flowers. Fruiting pedicels ascending, 1–5 mm, glabrous or pubescent, (trichomes flattened). Flowers: sepals erect (creamy white, purplish, or greenish), ovate to lanceolate, 7.5–14 × 2.5–4 mm (equal); petals brown or purple, 10–15 mm, blade 3–5 × 1.2–2.5 mm, not or hardly crisped, claw oblanceolate, 7–10 × 2–2.5 mm; filaments tetradynamous, median pairs 3–8 mm, lateral pair 2–7 mm; anthers narrowly oblong, equal, 3–6.5 mm. Fruits erect to ascending, terete or slightly latiseptate, 4.5–14 cm × 2–2.5 mm; valves each with obscure midvein; ovules 98–126 per ovary; style obsolete or, rarely, to 0.6 mm; stigma strongly 2-lobed (lobes to 1 mm, connivent, opposite valves). Seeds 1.5–4 × 1.5–2 mm. 2n = 28.


Phenology: Flowering Apr–Jul.
Habitat: Sagebrush scrub, pinyon-juniper woodland
Elevation: 1200-2900 m

Distribution

V7 1168-distribution-map.gif

Ariz., Calif., Colo., Idaho, Nev., Utah, Wyo.

Discussion

E. B. Payson (1923), R. C. Rollins (1993), and R. E. Buck (1995) recognized two varieties of Caulanthus crassicaulis and separated them solely on the basis of var. crassicaulis having pubescent sepals and glabrous or pubescent leaves, and var. glaber having glabrous or sparsely pubescent sepals and glabrous leaves. In my opinion, this distinction is impractical; as in some other species of Caulanthus, both glabrous and pubescent forms occur sometimes within the same population.

Selected References

None.

Lower Taxa

None.
... more about "Caulanthus crassicaulis"
Ihsan A. Al-Shehbaz +
(Torrey) S. Watson +
Streptanthus crassicaulis +
Ariz. +, Calif. +, Colo. +, Idaho +, Nev. +, Utah +  and Wyo. +
1200-2900 m +
Sagebrush scrub, pinyon-juniper woodland +
Flowering Apr–Jul. +
Botany (Fortieth Parallel), +
Caulanthus crassicaulis var. glaber +, Caulanthus glaber +  and Caulanthus senilis +
Caulanthus crassicaulis +
Caulanthus +
species +