Flora of North America species comparison

The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

Chrysothamnus humilis

Truckee green rabbitbrush, Truckee rabbitbrush
Habit Shrubs, 10–30 cm; with woody, branched caudices, bark becoming dark gray, fibrous with age.
Stems

ascending, green, sparsely to densely puberulent, sparsely glandular.
Leaves

ascending to spreading;

sessile;

blades with faint midnerves and pair of collaterals, narrowly elliptic to oblanceolate, 10–30 × 0.7–1.2 mm, flat to sulcate, apices acute (often apiculate), faces moderately puberulent, sparsely stipitate-glandular.
Involucres

turbinate, 6–10 × 3–4 mm.
Disc florets

2–3(–4);

corollas 5.5–8 mm, lobes 1–1.7 mm;

style branches 2–2.7(–3.4) mm (included in or barely surpassing spreading corolla lobes), appendages 0.8–1.4 mm (lengths about equaling stigmatic portion).
Phyllaries

(12–)14–18 in 3–4 series, ± in vertical ranks, mostly tan, sometimes green-tipped, ovate or oblong to elliptic, unequal, 2.5–7.5 × 1–1.8 mm, chartaceous, outer ± herbaceous wholly or distally, weakly keeled, midveins faint, apices acute to obtuse, faces sparsely puberulent.
Heads

in densely cymiform arrays, often overtopped by distal leaves.
Cypselae

reddish brown, turbinate, 4–6 mm, densely hairy;

pappi tan, 5–7 mm.
2n

= 18.

Chrysothamnus humilis
Phenology Flowering summer–fall.
Habitat Sagebrush grasslands, open slopes in deserts, tolerant of alkali
Elevation 1400–3100 m (4600–10200 ft)
Distribution
from FNA
CA; ID; NV; OR; WA
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 20, p. 189.
Parent taxa Asteraceae > tribe Astereae > Chrysothamnus
Sibling taxa
C. depressus, C. eremobius, C. greenei, C. molestus, C. scopulorum, C. stylosus, C. vaseyi, C. viscidiflorus
Synonyms C. viscidiflorus subsp. humilis
Name authority Greene: Pittonia 3: 24. (1896)
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).



Type/paste one or more Latin names into the boxes above; matching taxa will show up below the box as you type. You can use the up/down arrow keys to move through the list.

(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.)

Choose a data source: Flora of North America, OregonFlora

The species comparison tool is brought to you by:
Northwest Wildflowers