Difference between revisions of "Xyris difformis var. curtissii"
Sida 2: 255. 1966.
Basionym: Xyris curtissii Fernald Ark. Bot. 13(8): 24. 1913 Xyris neglecta Chapman 1894,
Synonyms: Xyris bayardii Small Xyris serotina var. curtissii (Malme) Kral
Treatment appears in FNA Volume 22.
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Latest revision as of 20:30, 5 November 2020
Herbs, 15–20 cm. Leaves spreading-ascending in broad fans, mostly under 10 cm; sheaths reddish or purplish, rugulose-papillate; blade dull green, linear–sword-shaped, 1–4 mm wide, often papillate, margins somewhat scabrous. Inflorescences: scape sheath base rich rich, deep red-brown, lustrous; scapes linear-filiform, angulately terete, not much widened distally, several-ribbed, ribs equally prominent, somewhat scabrous; spikes mostly 5 mm or less. Seeds translucent. 2n = 18.
Phenology: Flowering summer–fall.
Habitat: Moist to wet sands or sandy peats of bog slicks, sphagnous areas, pine savanna, pond shores, and acid seeps
Elevation: 0–200 m
Distribution
Ala., Ark., Fla., Ga., La., Miss., N.C., S.C., Tex., Va., Central America (Belize).
Discussion
Xyris difformis var. curtissii remains distinct even when mixed with the other two varieties, a common event in the southern Atlantic and Gulf coastal plains.
Selected References
None.
Lower Taxa
None.