Xyris stricta var. obscura
Novon 9: xxx, fig. 8. 1999.
Herbs, 40–80(–85) cm. Leaves (15–)20–40(–44) cm; blade mostly (2–)2.5–3(–5) mm wide, margins papillate to ciliolate. Inflorescences: scapes terete, ribs 2, strong, distal, with additional narrower, but still strong ribs; all ribs scabrous or scabro-ciliolate; spikes ellipsoid to ovoid or lanceoloid, 1–2(–2.7) cm; fertile bracts nearly orbiculate, 5–6.5(–7) mm, margins entire. Flowers: lateral sepals (4.5–)5–6(–7) mm. Seeds 6–7(–8) mm.
Phenology: Flowering summer–fall.
Habitat: Moist sands and sandy peats of pine savanna, bogs, clearings, ditchbanks, coastal plain
Elevation: 0–200 m
Distribution
Ala., Fla., Ga., La., Miss., Tex.
Discussion
In Louisiana, Alabama, northwest Florida, and Georgia are what appear to be intergrades with Xyris stricta var. stricta.
Selected References
None.
Lower Taxa
None.