Hypoxis sessilis

Linnaeus

Sp. Pl. ed. 2, 1: 439. 1762.

Endemic
Synonyms: Hypoxis erecta var. aestivalis Engelmann & A. Gray Hypoxis longii Fernald
Treatment appears in FNA Volume 26. Treatment on page 203. Mentioned on page 201.

Leaves 0.9–5 mm wide, soft, usually stiff, sparsely to densely pubescent. Scape (3–) 4–9 (–14) cm. Inflorescences racemose, 1 (–2) -flowered; proximal 2 flowers, when present, not paired; bracts (2–) 3–7 (–8) mm. Flowers: tepals (6–) 7–10 (–13) × 0.9–2.4 mm (chasmogamous flowers), shorter to longer than pedicel, 1.5–2 times as long as ovary; anthers 1.1–2.2 mm; ovary oblanceoloid, (3–) 4–5 (–6) × 1.5–2.5 mm, densely pilose; pedicel (2–) 3–7 (–8) mm, equaling or slightly shorter than bracts. Seeds black beneath loose, iridescent, membranous coat, (1.3–) 1.4–2 mm, with rounded pebbling.


Phenology: Flowering spring–summer.
Habitat: Mesic to moist pinelands
Elevation: 0–200 m

Distribution

V26 347-distribution-map.jpg

Ala., Ark., Fla., Ga., La., Miss., N.C., Okla., S.C., Tex., Va.

Discussion

Although there is a strong tendency for summer flowering in Hypoxis sessilis, in the southern part of its range it will flower at any time of year in response to fire or other disturbances.

Selected References

None.

Lower Taxa

None.

"broad" is not a number."thicker" is not a number.

... more about "Hypoxis sessilis"
versatile +  and dorsifixed +
cordate +  and linear +
0.11 cm1.1 mm <br />0.0011 m <br /> (0.22 cm2.2 mm <br />0.0022 m <br />) +
Alan Herndon +
Linnaeus +
whorled +, opposite +  and alternate +
dilated +
reticulate-veined +  and parallel-veined +
linear +  and setaceous +
sheathing +  and involucrate +
0.7 cm7 mm <br />0.007 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
1;several +
0.3 cm3 mm <br />0.003 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
tunicate +  and scaly +
membranous +
Ala. +, Ark. +, Fla. +, Ga. +, La. +, Miss. +, N.C. +, Okla. +, S.C. +, Tex. +  and Va. +
0–200 m +
connate-coroniform +  and dilated +
sessile +  and pedicellate +
unisexual +  and bisexual +
crowned +  and capsular +
indehiscent +, septicidal +  and loculicidal +
membranaceous +  and leathery +
Mesic to moist pinelands +
persistent +
0.09 cm0.9 mm <br />9.0e-4 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
oblanceoloid +
1.5mm;2.5mm +
many;several +
0.7 cm7 mm <br />0.007 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
zygomorphic +  and actinomorphic +
Flowering spring–summer. +
Sp. Pl. ed. +
depauperate +
9 cm90 mm <br />0.09 m <br /> (14 cm140 mm <br />0.14 m <br />) +
4 cm40 mm <br />0.04 m <br /> (9 cm90 mm <br />0.09 m <br />) +
wind-distributed +
0.13 cm1.3 mm <br />0.0013 m <br /> (0.14 cm1.4 mm <br />0.0014 m <br />) +
10 +  and 50 +
0.14 cm1.4 mm <br />0.0014 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
adnate +  and free +
staminodial +
3 +, 4 +  and 6 +
subterranean +
1 +  and several +
3 +  and 1 +
with rounded pebbling +  and muricate +
Hypoxis erecta var. aestivalis +  and Hypoxis longii +
Hypoxis sessilis +
species +
1 cm10 mm <br />0.01 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
yellow;greenish +
distinct +
1.5-2 times as long as ovary;7mm;10mm +
shorter to longer +
0.9mm;2.4mm +
sepaloid +  and petaloid +
narrower +
depauperate +
cormose +, rhizomatous +  and scapose +
pilose +, glabrous or +  and sparsely densely pubescent +
3 +  and 2 +