Atrichoseris platyphylla
in A. Gray et al., Syn. Fl. N. Amer. 1(2): 410..
Illustrated
Basionym: Malacothrix platyphylla A. Gray Proc. Amer. Acad. Arts 9: 214. 1874
Treatment appears in FNA Volume 19. Treatment on page 309.
Stems glaucous. Basal leaves gray-green, glaucous, often purple-tinged, especially abaxially, often adaxially mottled, 1–12 × 0.5–6 cm. Heads 1.5–3.5 cm diam. Involucres 6–10 mm. Florets: corollas 8–20 mm, inner with bases yellow or purple, much shorter than outer. Cypselae 4–4.5 mm. 2n = 18.
Phenology: Flowering Feb–May.
Habitat: Dry desert slopes, valleys, and washes
Elevation: 0–1400 m
Distribution
Ariz., Calif., Nev., Utah, Mexico (Baja California)
Discussion
Atrichoseris platyphylla grows in the Mojave and Sonoran deserts.
Selected References
None.
Lower Taxa
None.
"fine" is not a number.
... more about "Atrichoseris platyphylla"
tailed +
introrse +
connate +
acuminate +
scarious +
developed +
absent +
hirsute +
papillate +
corymbiform +
persistent +
falling +
continuous +
decurrent +
dentate +
distal +
obovate +
winged +
ribbed +
1;15 +
filiform +
stigmatic +
barbellate +
coarse +
absent +
tipped +
monomorphic +
whitish +
4mm;4.5mm +
straight +
distinct +
ligulate +
proximal +
30;60 +
bisexual +
dispersed +
subsessile +
singly +
indeterminate +
homogamous +
Present +
much shorter +
surrounding +
cylindro-campanulate +
alternate +
prickly +
hyaline +
2-carpellate +
inferior +
attached +
anatropous +
absent +
bracteate +
inflated +
tough +
thick +
connate +
persistent +
equal +
in A. Gray et al., Syn. Fl. N. Amer. +
1884 +
epaleate +
convex;flat +
corky-thickened +
fibrous +
cauline +
triangular +
reduced +
exalbuminous +
modifed +
1;2 +
Illustrated +
alternate +
branched +
erect +
glaucous +
2-branched +
hirsute +
papillate +
Atrichoseris platyphylla +
Atrichoseris +
species +
taprooted +
annual +