Flora of North America species comparison

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Stephanomeria paniculata

stiff-branch stephanomeria, stiff-branch wirelettuce, tuft wirelettuce
Habit Annuals, 0–100 cm.
Stems

single, branched (branches nearly at right angles, stiff), glabrous.
Leaves

withered at flowering;

basal blades oblanceolate, 6–10 cm, margins entire or toothed (teeth minute, faces glabrous);

cauline much reduced, bractlike.
Peduncles

2–10 mm.
Involucres

6–9 mm.
Florets

5.
Calyculi

of appressed bractlets.
Heads

borne singly along branches or in paniculiform arrays.
Cypselae

light to dark tan, 3.8–4.2 mm, faces slightly bumpy to tuberculate, (grooved);

pappi of 15–18 tan bristles (connate in groups of 2–4, bases persistent), plumose to tops of bases.
2n

= 16.

Stephanomeria paniculata
Phenology Flowering Jun–Sep.
Habitat Open, sandy or volcanic soils, plains and foothills, often growing as weed along roads
Elevation 200–1400 m (700–4600 ft)
Distribution
from FNA
CA; ID; OR; WA
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 19, p. 356.
Parent taxa Asteraceae > tribe Cichorieae > Stephanomeria
Sibling taxa
S. cichoriacea, S. diegensis, S. elata, S. exigua, S. fluminea, S. lactucina, S. malheurensis, S. parryi, S. pauciflora, S. runcinata, S. tenuifolia, S. thurberi, S. virgata
Name authority Nuttall: Trans. Amer. Philos. Soc., n. s. 7: 428. (1841)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Fabaceae, Apiaceae, Boraginaceae, and Polemoniaceae.)

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