Porophyllum gracile
Bot. Voy. Sulphur, 29. 1844.
Illustrated
Treatment appears in FNA Volume 21. Treatment on page 234.
Subshrubs or shrubs, 20–70 cm; internodes mostly 10–30 mm. Leaf-blades linear to filiform, 20–50 × 1–5 mm. Phyllaries 5, oblong to linear, 9–15 mm. Florets (5–) 12–30; corollas whitish to purplish, 6–9 mm. Cypselae 6–10 mm; pappi: longer bristles 7–9 mm. 2n = 48.
Phenology: Flowering late winter–early summer; fall.
Habitat: Sandy, gravelly, and rocky sites (usually granitic) with desert scrub
Elevation: 200–2100 m
Distribution
Ariz., Calif., N.Mex., Tex., Mexico (Baja California), Mexico (Sonora)
Discussion
Selected References
None.
Lower Taxa
None.
"fine" is not a number.
... more about "Porophyllum gracile"
introrse +
connate +
herbaceous +
scarious +
absent +
hirsute +
papillate +
continuous +
decurrent +
orbiculate;linear or filiform +
winged;ribbed;winged;ribbed +
1;22 +
stigmatic +
50;100 +
25;50 +
coarse +
absent +
zygomorphic +
monomorphic +
dimorphic +
6mm;10mm +
staminate +
straight +
glabrous +
distinct +
proximal +
12;30 +
bisexual +
dispersed +
cylindric +
singly +
discoid +
indeterminate +
Present +
surrounding +
cylindric;campanulate +
linear;filiform +
1mm;5mm +
cauline +
2-carpellate +
inferior +
attached +
anatropous +
persistent +
falling +
absent +
coroniform +
tough +
thick +
absent +
connate +
persistent +
distinct +
falling +
unequal +
Bot. Voy. Sulphur, +
1844 +
pistillate +
absent +
fertile +
epaleate +
pitted +
convex;conic +
fibrous +
exalbuminous +
modifed +
1;2 +
Illustrated +
alternate +
branched +
erect +
2-branched +
papillate +
Porophyllum gracile +
Porophyllum +
species +
cylindric +
stout +
much shorter +
much longer +