Flora of North America species comparison

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Tetradymia glabrata

little-leaf horsebrush
Habit Shrubs, 20–120 cm.
Stems

1–3+, erect, unarmed, pannose but for glabrescent streaks.
Leaves

primaries linear-subulate, ascending to appressed, 5–20 (× 1+) mm, sparsely floccose, sometimes glabrate;

secondaries linear-filiform to clavate, 3–15 mm, glabrous.
Peduncles

3–15 mm.
Involucres

turbinate, 7–10 mm.
Florets

4;

corollas cream to yellow, 9–10 mm.
Phyllaries

4, lanceolate to obovate.
Heads

3–7.
Cypselae

2.5–3.5 mm, hirsute;

pappi of 100–130 bristles 6–8 mm.
2n

= 60, 62, 120, 180.

Tetradymia glabrata
Phenology Flowering spring–early summer.
Habitat Sagebrush scrub, pinyon-juniper woodlands, Joshua tree woodlands
Elevation 800–2400 m (2600–7900 ft)
Distribution
from FNA
CA; ID; NV; OR; UT
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 20, p. 631.
Parent taxa Asteraceae > tribe Senecioneae > Tetradymia
Sibling taxa
T. argyraea, T. axillaris, T. canescens, T. comosa, T. filifolia, T. nuttallii, T. spinosa, T. stenolepis, T. tetrameres
Name authority Torrey & A. Gray: in War Department [U.S.], Pacif. Railr. Rep. 2(1): 122, plate 5. (1857)
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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