Difference between revisions of "Sporobolus curtissii"
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name=Sporobolus curtissii | name=Sporobolus curtissii | ||
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|authority=Small ex Kearney | |authority=Small ex Kearney | ||
|rank=species | |rank=species | ||
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|basionyms= | |basionyms= | ||
|family=Poaceae | |family=Poaceae | ||
| + | |illustrator=Linda A. Vorobik;Hana Pazdírková | ||
| + | |illustration copyright=Utah State University | ||
|distribution=S.C.;Fla.;Ala.;Ga. | |distribution=S.C.;Fla.;Ala.;Ga. | ||
|reference=None | |reference=None | ||
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|publication year= | |publication year= | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/200273ad09963decb8fc72550212de541d86569d/coarse_grained_fna_xml/V25/V25_692.xml |
|subfamily=Poaceae subfam. Chloridoideae | |subfamily=Poaceae subfam. Chloridoideae | ||
|tribe=Poaceae tribe Cynodonteae | |tribe=Poaceae tribe Cynodonteae | ||
Latest revision as of 17:58, 11 May 2021
Plants perennial; cespitose, not rhizomatous. Culms 30-80(90) cm. Sheaths shiny and indurate basally, glabrous or appressed hairy elsewhere, hairs to 4 mm; ligules 0.2-0.6 mm; blades 5-22(28) cm long, 0.8-2(2.2) mm wide, flat to v-shaped in cross section, folded or involute when dry, green, remaining so well into winter, glabrous abaxially, mostly glabrous adaxially but densely pilose basally, margins glabrous or scabridulous. Panicles 10-25 cm long, 2-10(13) cm wide, longer than wide, open (contracted when immature), not diffuse, pyramidal to ovate; lower nodes with 1-2(3) branches; primary branches 2-9(10) cm, ascending or spreading to 80° from the rachis, not capillary, without spikelets on the lower 1/3; secondary branches mostly appressed; pulvini glabrous or hairy; pedicels 0.5-4(8) mm, usually shorter than the spikelets, appressed, glabrous. Spikelets 3.5-6.6 mm, purplish-brown. Glumes equal to subequal, linear-lanceolate, membranous; lower glumes (2.9)3.5-6.2 mm, 0.9-1.2(1.3) times as long as the upper glumes; upper glumes 3.2-6.6 mm, from almost as long as to longer than the florets; lemmas 3.4-4.5 mm, ovate to lanceolate, membranous, glabrous, acute; paleas 3.4-4.5 mm, ovate, membranous, glabrous; anthers 1.5-2.8 mm, yellow to purplish. Fruits 1.1-1.4 mm, fusiform, reddish-brown. 2n = unknown.
Distribution
S.C., Fla., Ala., Ga.
Discussion
Sporobolus curtissii is restricted to the southeastern United States, where it grows in dry-mesic to moist flat-woods, in soils seasonally saturated at the surface or rather well-drained throughout the year. Its elevational range is 0-100 m.
Selected References
None.