Ionactis stenomeres

(A. Gray) Greene

Pittonia 3: 246. 1897.

Common names: Rocky Mountain ankle-aster
Endemic
Basionym: Aster stenomeres A. Gray Proc. Amer. Acad. Arts 17: 209. 1882
Treatment appears in FNA Volume 20. Treatment on page 84. Mentioned on page 82.

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. Heads borne singly. Involucres 8–13 mm. Disc-florets bisexual, fertile; corollas 7.5–8.5 mm. Cypselae 5–6 mm, faces sessile to stipitate-glandular.


Phenology: Flowering Jun–Sep.
Habitat: Dry slopes, grassy ridges, and openings
Elevation: 1700–2200 m

Discussion

Selected References

None.

Lower Taxa

None.

"[" is not declared as a valid unit of measurement for this property."]" is not declared as a valid unit of measurement for this property.

... more about "Ionactis stenomeres"
not tailed +, rounded +  and obtuse +
distinct +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
indeterminate +  and determinate +
Guy L. Nesom +
(A. Gray) Greene +
decurrent +
Aster stenomeres +
compound +  and simple +
linear;narrowly oblong or elliptic-lanceolate +
rugulose +  and muricate +
straw-colored +
Rocky Mountain ankle-aster +
not 2-lipped +  and actinomorphic +
yellow +, white +, violet +  and bluish +
0.75 cm7.5 mm <br />0.0075 m <br /> (0.85 cm8.5 mm <br />0.0085 m <br />) +
beaked +, 2-ribbed +  and 5-ribbed +
flattened +  and obovoid +
fertile +  and bisexual +
2(-4)-nerved +
fertile +  and bisexual +
B.C. +, Idaho +, Mont. +  and Wash. +
1700–2200 m +
stipitate-glandular +  and hispidulous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Dry slopes, grassy ridges, and openings +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
broadly turbinate;campanulate +
0.8 cm8 mm <br />0.008 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
erect;spreading +
deltate +
strigillose +, hirtellous +, hirsuto-strigose +  and glabrous +
Not (?) +  and Scarious (?) +
2.5 cm25 mm <br />0.025 m <br /> (3 cm30 mm <br />0.03 m <br />) +
linear-lanceolate +
1.5 cm15 mm <br />0.015 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
2-carpellate +
persistent +
Flowering Jun–Sep. +
linear-lanceolate +
(2-)3-nerved +
bearing subulate enations +, hairy +  and bristly +
concave;usually flat;conic +
exalbuminous +
woody +  and herbaceous +
appendaged +  and truncate +
papillate +  and smooth +
Aster subg. Ianthe +
Ionactis stenomeres +
Ionactis +
species +
30 cm300 mm <br />0.3 m <br /> (70 cm700 mm <br />0.7 m <br />) +
4 cm40 mm <br />0.04 m <br /> (30 cm300 mm <br />0.3 m <br />) +