Lipocarpha aristulata
J. Arnold Arbor. 68: 410. 1987.
IllustratedEndemic
Basionym: Hemicarpha micrantha var. aristulata Coville Bull. Torrey Bot. Club 21: 36. 1894
Synonyms: Hemicarpha aristulata (Coville) Smyth Hemicarpha intermedia Piper
Culms 2–15 cm × 0.3–0.5 mm. Leaves 1–6 cm × 0.4–0.6 mm. Inflorescences: spikes 1–2, ovoid (to globose), 1–5 (–8) × 1–2.5 mm; bracts 1–2, longest erect, 1–3.5 cm × 0.3–0.5 mm. Spikelets: floral scales 2; 1st scale light-brown to reddish-brown, with greenish midvein, obtrullate to rhomboid, 0.9–1.6 × 0.3–0.6 mm, widest at mid length, long-acuminate, curving outward; 2d scale oblong, veinless (occasionally 2–4 reddish veins), 0.5–0.8 × 0.2 mm; 3d scale absent; stamens 1; anthers 0.2 mm; stigmas 2. Achenes obovoid to terete, 0.5–0.8 × 0.25–0.35 mm, 1.5–2.5 times long as wide.
Phenology: Fruiting late summer–early fall.
Habitat: Typically on sandy soils, emergent shorelines, stream banks, ponds, ditches
Elevation: 0–1500 m
Distribution
Ariz., Calif., Colo., Kans., Minn., Mo., Nebr., N.Mex., Okla., Oreg., Tex., Wash., Wyo.
Discussion
Selected References
None.
Lower Taxa
None.
"shortened" is not a number.
... more about "Lipocarpha aristulata"
1.5-2.5 times long +
obovoid;terete +
0.25mm;0.35mm +
basifixed +
0.2 cm2 mm <br />0.002 m <br /> (?) +
involute +
distinct +
absent +
erect +
1;2 +
2;3 +
terete +
0.3mm;0.5mm +
glabrous +
basal +
abundant +
single +
bisexual +
Present +
cluster +
pseudolateral +
ovoid +
pseudoumbel +
modified +
basal +
absent +
fused +
greenish +
empty +
falling +
absent +
with (1-)3-6(-30) bristles and/or scales +
thin +
2-3(-4)-carpellate +
fused +
pistillate +
subtending +
J. Arnold Arbor. +
1987 +
adventitious +
fibrous +
veinless +
arranged +
curving +
absent +
1;3 +
fertile +
oblong;long-acuminate;obtrullate;rhomboid +
cylindric +
1;2 +
ovoid +
distinct +
papillate +
undivided +
2-3-fid +
Lipocarpha aristulata +
Lipocarpha +
species +
free +
thin +
not rhizomatous +
annual +
5;100 +