Xyris drummondii

Malme

Arkiv for Botanik utgivet av K. Svenska Vetenskapsakademien 25A(12): 14. 1933.

Endemic
Treatment appears in FNA Volume 22.

Herbs, perennial, cespitose, rarely solitary, 4–25 cm. Stems compact. Leaves in fans, 3–8 (–10) cm; sheath base with distinct chestnut-brown patch; blade olive green, narrowly linear, flat, 1.5–5 mm wide, smooth, margins smooth. Inflorescences: scape sheaths equaling principal leaves; scapes narrowly linear, 0.5–1 mm wide, distally 2-ribbed; spikes ovoid, mostly longer than broad, 3–8 mm, apex acute; fertile bracts 4–5 mm, margins entire, apex keeled. Flowers: lateral sepals included, strongly curved, 2.5–3.5 mm, keel concolorous, firm, ciliate; petals unfolding in morning, blade obovate, 3 mm; staminodes bearded. Seeds translucent, broadly ellipsoid, 0.3 mm, finely ridged longitudinally, with fainter cross-ridges. 2n = 18.


Phenology: Flowering summer–fall.
Habitat: Acid, sandy-peaty pine flatwoods, seeps, bogs, coastal plain
Elevation: 0–200 m

Distribution

V22 547-distribution-map.jpg

Ala., Fla., Ga., La., Miss., Tex.

Discussion

Of conservation concern.

Selected References

None.

Lower Taxa

None.

"thin" is not a number.

... more about "Xyris drummondii"
keeled +  and acute +
Robert Kral +
open +  and sheathing +
olive green +
ephemeral +
obovate +
3 cm30 mm <br />0.03 m <br /> (?) +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Ala. +, Fla. +, Ga. +, La. +, Miss. +  and Tex. +
0–200 m +
basal-lateral +
proteinaceous +  and starchy +
loculicidal +
Acid, sandy-peaty pine flatwoods, seeps, bogs, coastal plain +
moniliform +
margined +  and winged +
concolorous +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
equitant +, 2-ranked +  and alternate +
8 cm80 mm <br />0.08 m <br /> (10 cm100 mm <br />0.1 m <br />) +
3 cm30 mm <br />0.03 m <br /> (8 cm80 mm <br />0.08 m <br />) +
smooth +  and variously papillate or scabrous +
distinct +
unfolding +
Flowering summer–fall. +
monosulcate +
Arkiv for Botanik utgivet av K. Svenska Vetenskapsakademien +
not bracteate +
elongate +
bladed +  and open +
0.5mm;1mm +
0.1 cm1 mm <br />0.001 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
cross-lined +
ridged +  and ellipsoid +
0.3 cm3 mm <br />0.003 m <br /> (?) +
connivent +  and opposite +
distinct +
unequal +
decussate +  and imbricate +
mostly longer than broad +
0.3 cm3 mm <br />0.003 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 drummondii +
species +
herb +  and cespitose +