Achyronychia cooperi
Proc. Amer. Acad. Arts 7: 331. 1868.
Illustrated
Treatment appears in FNA Volume 5. Treatment on page 47.
Revision as of 09:54, 30 July 2020 by imported>Volume Importer
Stems 3–17 cm, mostly glabrous. Leaves pairs unequal; stipules 0.1–0.4 mm; blade 3–20 mm. Inflorescences 20–60+-flowered. Flowers: perianth 2.5–3 mm; hypanthium green, becoming brown and hard, 10-ribbed distally; sepals erect to spreading, concave, central portion green, fleshy, white, scarious portion forming an ovate to orbiculate apex, 1–1.3+ mm wide, becoming deciduous with age; staminodes ca. 0.5 mm. Seeds 0.9–1.1 mm.
Phenology: Flowering spring.
Habitat: Dry, sandy areas, sand dunes, desert washes
Elevation: 50-700 m
Distribution
Ariz., Calif., Mexico
Discussion
Selected References
None.
Lower Taxa
None.
... more about "Achyronychia cooperi"
perigynous +
not hooded +
ovate;orbiculate +
absent +
spongy +
distinct +
absent +
clawed +
proliferating +
arising +
absent +
glabrous +
1-veined +
spatulate +
succulent +
foliaceous +
paired +
absent +
smaller +
scarious +
absent +
woody +
fleshy +
absent +
dish--shaped +
peripheral +
absent +
distinct +
sessile +
symmetric +
simple +
10-ribbed +
expanded +
hard +
Present +
20-60+-flowered +
simple +
opposite +
white +
fringed to ciliate +
scarious +
absent +
swollen +
superior +
campylotropous +
absent +
perigynous +
straight +
central +
surrounding +
annular +
fugacious +
absent +
absent +
deciduous +
scarious +
Proc. Amer. Acad. Arts +
1868 +
thickened +
arising +
absent +
red spot;tan +
green +
persistent +
distinct +
herbaceous +
erect;spreading +
concave +
Illustrated +
absent +
arising +
absent +
14;19 +
filiform +
0.5 cm5 mm <br />0.005 m <br /> (?) +
branched +
herbaceous +
prostrate;ascending +
glabrous +
terete;angular +
subcapitate +
absent +
papillate +
white +
absent +
scarious +
connate +
absent +
glabrous +
filiform +
slender +
Achyronychia cooperi +
Achyronychia +
species +
tuberous +
divided +
indehiscent +
modified +
obconic +
entire +
not spreading +
toothlike +
annual +
arising +
sessile +
transverse +
horizontal +
absent +