Tetradymia stenolepis
Bull. Calif. Acad. Sci. 1: 92. 1885.
Endemic
Shrubs, 30–120 cm. Stems 1–5+, erect, spiny, pannose but for tomentose to glabrescent streaks. Leaves: primaries forming straight, ascending spines, 20–30 mm; secondaries oblanceolate to spatulate, 10–30 mm, tomentose to sericeous. Heads 4–7. Peduncles 5–12 mm. Involucres turbinate, 8–10 mm. Phyllaries 4–5, narrowly ovate. Florets 4–5; corollas pale-yellow, 10–12 mm. Cypselae 5–8 mm, densely pilose or villous; pappi of 100–150 bristles 9–12 mm. 2n = 60.
Phenology: Flowering spring–summer.
Habitat: Sandy and gravelly places, Joshua tree woodlands, creosote bush scrub
Elevation: 600–1500 m
Distribution
Ariz., Calif., Nev.
Discussion
Selected References
None.
Lower Taxa
None.
... more about "Tetradymia stenolepis"
introrse +
connate +
papillate +
truncate-penicillate;usually truncate;rounded-truncate +
scarious +
hispidulous +
papillate +
continuous +
decurrent +
nerved +
linear;filiform narrowly lanceolate or oblanceolate +
winged;nerved;ribbed +
1;15 +
stigmatic +
persistent +
100;150 +
absent +
not 2-lipped +
pale-yellow +
monomorphic +
5-ribbed +
5mm;8mm +
staminate +
straight +
distinct +
proximal +
4;5 +
bisexual +
dispersed +
discoid +
singly +
indeterminate +
4;7 +
surrounding +
turbinate +
sessile +
alternate +
cauline +
recurved +
scarious +
2-carpellate +
inferior +
attached +
anatropous +
absent +
tough +
thick +
absent +
connate +
persistent +
distinct +
herbaceous +
falling +
erect +
ovate +
subequal +
equal +
Bull. Calif. Acad. Sci. +
1885 +
absent +
epaleate +
foveolate +
conic;usually flat;convex +
fibrous +
white;stramineous +
exalbuminous +
modifed +
1;2 +
Endemic +
straight +
ascending +
alternate +
erect +
pannose +
2-branched +
glabrous +
papillate +
Tetradymia stenolepis +
Tetradymia +
species +
dilated +
longer +