Xyris stricta var. obscura

Kral

Novon 9: xxx, fig. 8. 1999.

Endemic
Synonyms: Xyris louisianica
Treatment appears in FNA Volume 22.

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

V22 538-distribution-map.jpg

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.