Cyperus parishii
Bull. S. Calif. Acad. Sci. 3: 52, plate 3. 1904.
IllustratedEndemic
Synonyms: Cyperus congestus var. parishii (Britton ex Parish) Kükenthal
Herbs, annual, cespitose. Culms trigonous, 5–25 cm × 1–1.5 mm, glabrous. Inflorescences: spikes loosely ovoid, 15–25 mm wide; rays 1–6, 2–7 cm; bracts 2–5, 3–20 cm, ascending; rachilla deciduous, winged. Spikelets 5–30, linear, flattened, 6–22 × 1.5–2.2 mm; floral scales ± deciduous, (4–) 8–12, red, reddish purple, or reddish-brown, medially green, elliptic, laterally 2–4-ribbed, 2.3–3.1 × 1.2–2 mm, apex acute to obtuse. Flowers: anthers 0.3–0.4 mm; styles 1 mm; stigmas 1.3–1.6 mm. Achenes brown to dark purplish brown, broadly ellipsoid, 1–1.3 × 0.6–0.9 mm, surfaces puncticulate.
Phenology: Fruiting summer.
Habitat: Stream banks, desert washes, arroyos, roadsides
Elevation: 0 800 m
Distribution
Ariz., Calif., N.Mex.
Discussion
Selected References
None.
Lower Taxa
None.
"shortened" is not a number.
... more about "Cyperus parishii"
mature +
ellipsoid +
0.6mm;0.9mm +
basifixed +
acute;obtuse +
decurrent +
absent +
ascending +
2;5 +
2;3 +
glabrous +
scabridulous +
trigonous +
1mm;1.5mm +
basal +
abundant +
2-4-ribbed +
distichous +
elliptic +
deciduous +
single +
bisexual +
Present +
pseudolateral +
pseudoumbel +
modified +
arranged +
basal +
absent +
fused +
falling +
absent +
with (1-)3-6(-30) bristles and/or scales +
thin +
2-3(-4)-carpellate +
fused +
pistillate +
subtending +
Bull. S. Calif. Acad. Sci. +
1904 +
winged +
deciduous +
falling +
conspicuous +
singly +
unequal +
adventitious +
fibrous +
empty +
distichous +
0;76 +
fertile +
cylindric;compressed +
cylindric +
dense +
single +
ovoid +
spicate +
arranged +
falling +
flattened +
1.5mm;2.2mm +
distinct +
papillate +
undivided +
2-3-fid +
1 cm10 mm <br />0.01 m <br /> (?) +
puncticulate +
Cyperus parishii +
Cyperus subg. Cyperus +
species +
free +
thin +
annual +
hyaline +
5;100 +