Difference between revisions of "Asimina parviflora"
Monogr. Anonac., 82, plate 9. 1817.
Common names: Small-flowered pawpaw small-fruited pawpaw dwarf pawpaw
Endemic
Basionym: Orchidocarpum parviflorum Michaux Fl. Bor.-Am. 1: 329. 1803
Synonyms: Porcelia parviflora (Michaux) Persoon Uvaria parviflora (Michaux) Torrey & A. Gray
Treatment appears in FNA Volume 3.
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|name=Orchidocarpum parviflorum | |name=Orchidocarpum parviflorum | ||
|authority=Michaux | |authority=Michaux | ||
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| + | |publication_title=Fl. Bor.-Am. | ||
| + | |publication_place=1: 329. 1803 | ||
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|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Porcelia parviflora | |name=Porcelia parviflora | ||
|authority=(Michaux) Persoon | |authority=(Michaux) Persoon | ||
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| + | }} {{Treatment/ID/Synonym | ||
|name=Uvaria parviflora | |name=Uvaria parviflora | ||
|authority=(Michaux) Torrey & A. Gray | |authority=(Michaux) Torrey & A. Gray | ||
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|hierarchy=Annonaceae;Asimina;Asimina parviflora | |hierarchy=Annonaceae;Asimina;Asimina parviflora | ||
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Shrubs </b>or low trees, to 6 m; trunks slender, at most to 10 cm diam. <b>Branches</b> spreading-ascending, slender; new shoots red-brown, distally minutely reddish tomentose. <b>Leaves</b>: petiole 5-10 mm. <b>Leaf</b> blade obovate to oblanceolate, 6-15(-20) cm, membranous, rarely leathery, base narrowly to broadly cuneate, margins barely revolute, apex acute to acuminate; surfaces abaxially minutely rusty-tomentose, aging hairy on veins only, adaxially puberulent on veins, aging glabrous. <b>Inflorescences</b> from previous year's shoots before or during new leaf emergence; peduncle 0.3-0.8 cm, tomentose, hairs red-brown to tan; bracteoles 1(-2), basal, usually ovate-triangular, rarely over 2-3 mm, hairy. <b>Flowers</b> maroon, rarely yellow, faintly fetid, 1-1.7 cm diam.; sepals triangular-deltate, 4-7 mm, abaxially rusty-tomentose; outer petals oblong to ovate, 1-1. 3cm, apex excurved, lingulate, surfaces abaxially minutely rusty-tomentose; inner petals ovate, ca. 1/2 length of outer petals, base saccate, apex strongly recurved, veins adaxially incised, corrugate nectary zone indistinct or absent; pistils 5-7. <b>Berries</b> greenish yellow, 3-6(-7) cm. <b>Seeds</b> chestnut brown, 1-1.5(-2) cm. <b>2n</b>=18.</span><!-- |
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|elevation=0-700m | |elevation=0-700m | ||
|distribution=Ala.;Ark.;Fla.;Ga.;La.;Miss.;N.C.;S.C.;Tenn.;Tex.;Va. | |distribution=Ala.;Ark.;Fla.;Ga.;La.;Miss.;N.C.;S.C.;Tenn.;Tex.;Va. | ||
| − | |discussion=<p>Asimina parviflora is primarily a miniature version of A. triloba in flower, shoot, and leaf; it reaches tree size only in the karst country of Florida. Peduncles at anthesis are often so short that flowers appear sessile. Pubescence is of a lighter red or brown than that of A. triloba. Putative hybrids between the two have been observed in northern Alabama.</p> | + | |discussion=<p><i>Asimina parviflora</i> is primarily a miniature version of <i>A. triloba</i> in flower, shoot, and leaf; it reaches tree size only in the karst country of Florida. Peduncles at anthesis are often so short that flowers appear sessile. Pubescence is of a lighter red or brown than that of <i>A. triloba</i>. Putative hybrids between the two have been observed in northern Alabama.</p> |
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name=Asimina parviflora | name=Asimina parviflora | ||
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|authority=(Michaux) Dunal | |authority=(Michaux) Dunal | ||
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|special status=Endemic | |special status=Endemic | ||
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|genus=Asimina | |genus=Asimina | ||
|species=Asimina parviflora | |species=Asimina parviflora | ||
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Latest revision as of 22:47, 5 November 2020
Shrubs or low trees, to 6 m; trunks slender, at most to 10 cm diam. Branches spreading-ascending, slender; new shoots red-brown, distally minutely reddish tomentose. Leaves: petiole 5-10 mm. Leaf blade obovate to oblanceolate, 6-15(-20) cm, membranous, rarely leathery, base narrowly to broadly cuneate, margins barely revolute, apex acute to acuminate; surfaces abaxially minutely rusty-tomentose, aging hairy on veins only, adaxially puberulent on veins, aging glabrous. Inflorescences from previous year's shoots before or during new leaf emergence; peduncle 0.3-0.8 cm, tomentose, hairs red-brown to tan; bracteoles 1(-2), basal, usually ovate-triangular, rarely over 2-3 mm, hairy. Flowers maroon, rarely yellow, faintly fetid, 1-1.7 cm diam.; sepals triangular-deltate, 4-7 mm, abaxially rusty-tomentose; outer petals oblong to ovate, 1-1. 3cm, apex excurved, lingulate, surfaces abaxially minutely rusty-tomentose; inner petals ovate, ca. 1/2 length of outer petals, base saccate, apex strongly recurved, veins adaxially incised, corrugate nectary zone indistinct or absent; pistils 5-7. Berries greenish yellow, 3-6(-7) cm. Seeds chestnut brown, 1-1.5(-2) cm. 2n=18.
Phenology: Flowering early spring.
Habitat: Sands, sandy loams, or sandy alluvium of rich woods, alluvial terraces, and upland dry woods
Elevation: 0-700m
Distribution
Ala., Ark., Fla., Ga., La., Miss., N.C., S.C., Tenn., Tex., Va.
Discussion
Asimina parviflora is primarily a miniature version of A. triloba in flower, shoot, and leaf; it reaches tree size only in the karst country of Florida. Peduncles at anthesis are often so short that flowers appear sessile. Pubescence is of a lighter red or brown than that of A. triloba. Putative hybrids between the two have been observed in northern Alabama.
Selected References
None.
Lower Taxa
None.