Flora of North America species comparison

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Ionactis stenomeres

Rocky Mountain ankle-aster, Rocky Mountain aster, Rocky Mountain ionactis
Habit Plants 12–30 cm (sometimes weakly cespitose, caudices multicipital or with relatively short branches; rhizomes fibrous-rooted, thickened, becoming woody).
Stems

proximally herbaceous or slightly woody, eglandular.
Leaves

proximal separated by evident internodes, spatulate, reduced in size distally;

mid and distal linear-lanceolate, 15–25(–30) mm, margins green, faces hispidulous.
Involucres

8–13 mm.
Disc florets

bisexual, fertile;

corollas 7.5–8.5 mm.
Heads

borne singly.
Cypselae

5–6 mm, faces sessile- to stipitate-glandular.

Ionactis stenomeres
Phenology Flowering Jun–Sep.
Habitat Dry slopes, grassy ridges, and openings
Elevation 1700–2200 m (5600–7200 ft)
Distribution
from FNA
ID; MT; WA; BC
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 20, p. 84.
Parent taxa Asteraceae > tribe Astereae > Ionactis
Sibling taxa
I. alpina, I. caelestis, I. elegans, I. linariifolia
Synonyms Aster stenomeres
Name authority (A. Gray) Greene: Pittonia 3: 246. (1897)
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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