Show Lower Taxa
Lessingia pectinata
Proc. Acad. Nat. Sci. Philadelphia 47: 548. 1896.
Endemic
Synonyms: Lessingia germanorum var. pectinata (Greene) J. T. Howell Lessingia glandulifera var. pectinata (Greene) Jepson
Plants 5–70 cm. Stems erect, green, tan, or reddish to dark-brown, usually glabrous or villous, rarely tomentose. Leaves: basal withering by flowering; cauline margins entire or dentate to pinnately lobed, faces gland-dotted, abaxial glabrous or villous to tomentose. Heads borne singly, at ends of branchlets. Involucres obconic, (4–) 5–8 mm. Phyllaries usually green, rarely purple, faces glabrous or villous to tomentose, gland-dotted; inner ± scarious. Disc-florets 15–30; corollas yellow (tubes with brown-purple band inside); style-branch appendages truncate-penicillate, 0.1–0.2 mm. Pappi white to tan, equal to or longer than cypselae.
Discussion
Varieties 2 (2 in the flora).
Selected References
None.
Key
| 1 | Stems reddish to dark brown; leaf margins dentate to pinnately lobed (segments cuspidate) | Lessingia pectinata var. pectinata |
| 1 | Stems green or tan; leaves entire or dentate to pinnately lobed (segments not cuspidate) | Lessingia pectinata var. tenuipes |
... more about "Lessingia pectinata"
introrse +
connate +
distinct +
herbaceous +
scarious +
hirsute +
papillate +
continuous +
withering +
decurrent +
1-nerved +
obovate;lanceolate linear or subulate +
ribbed +
stigmatic +
persistent +
absent +
yellow +
absent +
dimorphic +
staminate +
Calif. +
straight +
singly +
gland-dotted;gland-dotted +
distinct +
proximal +
1;5 +
bisexual +
dispersed +
discoid +
indeterminate +
scarious +
surrounding +
obconic +
alternate +
spreading;erect +
lanceolate +
2-carpellate +
inferior +
attached +
anatropous +
barbellate +
persistent +
longer +
equal +
tough +
thick +
absent +
connate +
1-nerved +
green +
persistent +
distinct +
herbaceous +
falling +
cartilaginous +
unequal +
Proc. Acad. Nat. Sci. Philadelphia +
1896 +
absent +
sterile +
epaleate +
pitted +
convex +
fibrous +
exalbuminous +
modifed +
1;2 +
Endemic +
alternate +
erect +
truncate-penicillate +
2-branched +
glabrous +
Lessingia pectinata +
Lessingia +
species +
taprooted +
annual +