Flora of North America species comparison

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Grindelia subalpina

subalpine gumweed
Habit Biennials or perennials (perhaps flowering first year), 15–30(–60) cm.
Stems

erect, usually reddish, sometimes stramineous, glabrous.
Cauline leaf

blades spatulate or oblanceolate to oblong or lanceolate, 15–70 mm, lengths 3–5(–7) times widths, bases ± cuneate or clasping, margins usually dentate or serrate (teeth apiculate), sometimes entire, apices rounded or obtuse to acute, faces glabrous (or, near margins, scabridulous) and sparsely to densely gland-dotted.
Involucres

broadly urceolate to globose, 8–11 × 10–20 mm.
Ray florets

18–27;

laminae 10–15 mm.
Phyllaries

in 5–6 series, linear or lanceolate to oblong-lanceolate, apices looped to hooked (outer) or recurved to nearly straight, terete to subulate or acuminate, slightly to moderately resinous.
Heads

usually in open, corymbiform to paniculiform arrays, seldom borne singly.
Cypselae

whitish or stramineous, 2.5–5 mm, apices smooth or weakly coronate, faces smooth or finely furrowed;

pappi of 4–8 straight, barbellate to barbellulate bristles or setiform awns 2.5–5.5 mm, shorter than disc corollas.
2n

= 12.

Grindelia subalpina
Phenology Flowering Jul–Aug.
Habitat Dry, open, sandy or gravelly slopes, ridges, valleys, stream banks, waste grounds
Elevation 1600–2900 m (5200–9500 ft)
Distribution
from FNA
CO; WY
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 20, p. 434.
Parent taxa Asteraceae > tribe Astereae > Grindelia
Sibling taxa
G. adenodonta, G. arizonica, G. ciliata, G. decumbens, G. fraxinipratensis, G. grandiflora, G. havardii, G. hirsutula, G. howellii, G. integrifolia, G. lanceolata, G. microcephala, G. oölepis, G. oxylepis, G. pusilla, G. scabra, G. squarrosa
Synonyms G. erecta, G. subalpina var. erecta
Name authority Greene: Pittonia 3: 297. (1898)
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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