Leaves 6–25 mm overall, lobes (3–) 9–11, subequal. Peduncles 60–100 mm. Calyculi of 3–5 bractlets. Involucres obconic to campanulate, 4.3–6 × 4–5 mm. Phyllaries 12–21, margins of outer distinct ca. 1/2 their lengths, abaxial faces usually glabrescent or glabrous, rarely hairy. Disc-florets 50–80. Pappi of 5 erose scales alternating with 5, 1–3-aristate scales. 2n = 32.
Phenology: Flowering early spring and late summer, following rains.
Habitat: Calcareous outcrops and derived soils, scrublands or deserts, roadways, other disturbed sites
Elevation: 50–700+ m
Discussion
Selected References
None.
Lower Taxa
None.
... more about "Thymophylla pentachaeta var. pentachaeta"
introrse +
connate +
herbaceous +
scarious +
absent +
hirsute +
papillate +
continuous +
decurrent +
lobed +
winged;ribbed;winged;ribbed +
deltate +
stigmatic +
20;50 +
absent +
zygomorphic +
monomorphic +
dimorphic +
2mm;3mm +
staminate +
straight +
distinct +
proximal +
1;5 +
bisexual +
dispersed +
cylindric +
singly +
Calcareous outcrops and derived soils, scrublands or deserts, roadways, other disturbed sites +
discoid +
indeterminate +
Present +
surrounding +
obconic;campanulate +
2mm;6mm +
1mm;3mm +
opposite +
cauline +
1/5;lengths +
distinct +
1/2 +
2-carpellate +
inferior +
attached +
anatropous +
persistent +
falling +
absent +
tough +
thick +
absent +
connate +
persistent +
distinct +
falling +
unequal +
Fl. S.E. U.S., +
1903 +
pistillate +
absent +
fertile +
epaleate +
convex +
fibrous +
alternating +
distinct +
1-3-aristate +
exalbuminous +
modifed +
1;2 +
Illustrated +
alternate +
branched +
2-branched +
papillate +
Thymophylla pentachaeta var. pentachaeta +
Thymophylla pentachaeta +
variety +
cylindric +
shorter +
much longer +
perennial +
less grayish;green +
subshrub +