Canadanthus modestus

(Lindley) G. L. Nesom

Phytologia 77: 251. 1995.

Common names: Great northern or western bog aster aster modeste
Basionym: Aster modestus Lindley
Synonyms: Aster major (Hooker) PorterAster modestus var. major (Hooker) MuenscherAster sayianus Lessing ex BongardAster unalaschensis var. major HookerWeberaster modestus unknown
Treatment appears in FNA Volume 20. Treatment on page 459. Mentioned on page 488.
Revision as of 14:39, 12 August 2019 by RevisionBot (talk | contribs) (Bot: Adding category Revised Since Print)

Plants openly colonial; rhizomes 1–3+ from base of each stem, herbaceous, ± woody with age. Stems 1, often glabrate proximally to ± villous, distally stipitate-glandular. Leaves: proximal scalelike, withering by flowering; blades (16–)50–130 × (4–)10–30(–40) mm, reduced distally, thin, bases auriculate-clasping, margins ± scabrous to (distal) stipitate-glandular. Heads (1–)2–40+. Peduncles sometimes villous, densely stipitate-glandular; bracts 1–2(–3), linear-lanceolate, stipitate-glandular. Phyllaries squarrose, innermost appressed, apices often ± purplish, acuminate. Ray floret laminae 7–11(–15) × 0.8–1.2 mm. Disc floret corollas 5–7 mm, glabrous, lobes 0.5–0.7 mm. Cypselae stramineous, stipitate; pappi surpassing or ± equaling disc corollas. 2n = 18.


Phenology: Flowering late summer–early fall.
Habitat: Cold, wet soils, often ± calcareous, moist woodlands, often along streams, lake shores, alder thickets, open fields, cedar swamps, in montane and boreal forests
Elevation: 0–1300+ m

Distribution

V20-1062-distribution-map.gif

Alta., B.C., Man., N.B., Ont., Sask., Yukon, Que., Alaska, Idaho, Mich., Minn., Mont., N.Dak., Oreg., Wash.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Canadanthus modestus"
Luc Brouillet +
(Lindley) G. L. Nesom +
Aster modestus +
Great northern or western bog aster +  and aster modeste +
Alta. +, B.C. +, Man. +, N.B. +, Ont. +, Sask. +, Yukon +, Que. +, Alaska +, Idaho +, Mich. +, Minn. +, Mont. +, N.Dak. +, Oreg. +  and Wash. +
0–1300+ m +
Cold, wet soils, often ± calcareous, moist woodlands, often along streams, lake shores, alder thickets, open fields, cedar swamps, in montane and boreal forests +
Flowering late summer–early fall. +
Aster major +, Aster modestus var. major +, Aster sayianus +, Aster unalaschensis var. major +  and Weberaster modestus +
Canadanthus modestus +
Canadanthus +
species +