Lessingia pectinata

Greene

Proc. Acad. Nat. Sci. Philadelphia 47: 548. 1896.

Endemic
Synonyms: Lessingia germanorum var. pectinata (Greene) J. T. Howell Lessingia glandulifera var. pectinata (Greene) Jepson
Treatment appears in FNA Volume 20. Treatment on page 455. Mentioned on page 453.

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"
villous +  and tomentose +
not tailed +, rounded +  and obtuse +
distinct +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
spiciform +, racemiform +, paniculiform +  and corymbiform +
indeterminate +  and determinate +
Staci Markos +
Greene +
decurrent +
obovate;lanceolate linear or subulate +
rugulose +  and muricate +
barbellulate +  and barbellate +
dentate to pinnately lobed +  and entire +
not 2-lipped +  and actinomorphic +
5-10-nerved +  and smooth +
beaked +, 2-ribbed +  and 5-ribbed +
not compressed +, cuneiform +  and linear +
fertile +  and bisexual +
fertile +  and bisexual +
gland-dotted;gland-dotted +
villous +  and tomentose +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
in more or less corymbiform arrays +  and singly +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
sessile +  and petiolate +
cauline +  and basal +
spreading;erect +
lanceolate +
dentate to pinnately lobed +  and entire +
2-carpellate +
white +  and tan +
persistent +
connate +  and distinct +
recurved +  and erect +
lanceolate +, ovate +  and oblong +
Proc. Acad. Nat. Sci. Philadelphia +
styliferous +, neuter +  and pistillate +
bearing subulate enations +, hairy +  and bristly +
exalbuminous +
branched +  and simple +
reddish +  and dark-brown +
tomentose +, villous +  and glabrous +
truncate-penicillate +
0.01 cm0.1 mm <br />1.0e-4 m <br /> (0.02 cm0.2 mm <br />2.0e-4 m <br />) +
appendaged +  and truncate +
papillate +  and smooth +
Lessingia germanorum var. pectinata +  and Lessingia glandulifera var. pectinata +
Lessingia pectinata +
Lessingia +
species +
2 cm20 mm <br />0.02 m <br /> (90 cm900 mm <br />0.9 m <br />) +