Xyris flabelliformis

Chapman

Fl. South. U.S. 499. 1860.

Endemic
Treatment appears in FNA Volume 22.

Herbs, annual, cespitose, rarely solitary, 7–30 cm. Stems short. Leaves in fans, (1–) 2–3 (–10) cm; sheath base without chestnut-brown patch; blade strongly maroon-tinged, lance-linear, 1–3 (–4) mm wide, margins papillate or finely tuberculate-scabrous. Inflorescences: scape sheaths much exceeding leaves; scapes filiform, nearly terete, 0.5 mm wide, many ribbed; spikes mostly ovoid, mostly longer than broad, 4–8 (–10) mm, apex acute; fertile bracts 3–5 mm, margins entire or erose, apex keeled. Flowers: lateral sepals included, strongly curved, 2–3 mm, keel concolorous, firm, ciliate; petals unfolding in morning, blade obovate, 2.5–3 mm; staminodes bearded. Seeds translucent, broadly ellipsoid to round, 0.3 mm, finely lined longitudinally. 2n = 18.


Phenology: Flowering spring–early summer (all year south).
Habitat: Acid, sandy, peaty flatwoods, clearings, disturbed moist sands, coastal plain
Elevation: 0–200 m

Distribution

V22 408-distribution-map.jpg

Ala., Fla., Ga., Miss., N.C., S.C.

Discussion

Selected References

None.

Lower Taxa

None.

"thin" is not a number.

... more about "Xyris flabelliformis"
keeled +  and acute +
Robert Kral +
Chapman +
open +  and sheathing +
maroon-tinged +
ephemeral +
obovate +
0.25 cm2.5 mm <br />0.0025 m <br /> (?) +  and 0.3 cm3 mm <br />0.003 m <br /> (?) +
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Ala. +, Fla. +, Ga. +, Miss. +, N.C. +  and S.C. +
0–200 m +
basal-lateral +
proteinaceous +  and starchy +
loculicidal +
Acid, sandy, peaty flatwoods, clearings, disturbed moist sands, coastal plain +
moniliform +
margined +  and winged +
concolorous +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
equitant +, 2-ranked +  and alternate +
3 cm30 mm <br />0.03 m <br /> (10 cm100 mm <br />0.1 m <br />) +
2 cm20 mm <br />0.02 m <br /> (3 cm30 mm <br />0.03 m <br />) +
erose +  and entire +
tuberculate-scabrous +  and papillate +
distinct +
unfolding +
Flowering spring–early summer (all year south). +
monosulcate +
Fl. South. U.S. +
not bracteate +
terete +  and filiform +
bladed +  and open +
0.1 cm1 mm <br />0.001 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
cross-lined +
broadly ellipsoid +  and round +
0.3 cm3 mm <br />0.003 m <br /> (?) +
connivent +  and opposite +
distinct +
unequal +
0.8 cm8 mm <br />0.008 m <br /> (1 cm10 mm <br />0.01 m <br />) +
decussate +  and imbricate +
mostly longer than broad +
0.4 cm4 mm <br />0.004 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
epipetalous +
branching +  and simple +
elongate +  and caudiciform +
funnel +  and u--shaped +
tubular +  and elongate +
Jupica +, Kotsjiletti +, Ramotha +, Schizmaxon +, Xuris +  and Xyroides +
Xyris flabelliformis +
species +
herb +  and cespitose +