Heuchera cylindrica
poker alum-root, lava alumroot, roundleaf alumroot
WTU specimens
Other herbaria

Distribution: East of the Cascade summits, British Columbia to California, east to Alberta and Wyoming

Habitat: Rocky soil, cliffs and talus slopes, foothills to mid-elevations in the mountains

Flowers: April - August

Origin: Native

Conservation Status: Not of concern

Description:
General:

Strong perennial from a branching crown and short, thick rhizomes, the flowering stems 1.5-9 dm. tall, at least the upper portion covered with stalked glands.

Leaves:

Leaves basal, long-petiolate, the blades ovate-oblong to cordate-ovate, mostly 1-6 cm. broad, from glabrous to glandular-puberulent.

Flowers:

Inflorescence a spike-like panicle, the peduncles and pedicels together shorter than the flowers; calyx 6-8 mm. long, cream-colored, the 5 lobes oblong-lanceolate to obovate, considerable longer than the tubular portion; petals white, linear, shorter than the sepals, 5 or less, or lacking; stamens 5, the filaments elongating after blooming.

Fruits:

Ovary mostly inferior; capsule 6-10 mm. long, the 2 carpels with conical beaks.

Accepted Name:
Heuchera cylindrica Dougl.
Publication: In W. J. Hooker, Fl. Bor.-Amer. 1: 236. 1832.

Synonyms:
Heuchera cylindrica Dougl. ex Hook. var. alpina Sw.
Heuchera cylindrica Dougl. ex Hook. var. cylindrica
Heuchera cylindrica Dougl. ex Hook. var. glabella (Torr. & Gray) Wheelock
Heuchera cylindrica Dougl. ex Hook. var. orbicularis (Rosendahl, Butters & Lakela) Calder & Savile
Heuchera cylindrica Dougl. ex Hook. var. ovalifolia (Nutt. ex Torr. & Gray) Wheelock
Heuchera cylindrica Dougl. ex Hook. var. septentrionalis Rosendahl, Butters & Lakela
Heuchera cylindrica Dougl. ex Hook. var. suksdorfii (Rydb.) Dorn
Heuchera glabella Torr. & Gray
Heuchera ovalifolia Nutt. ex Torr. & Gray
Heuchera ovalifolia Nutt. ex Torr. & Gray var. orbicularis Rosendahl, Butters & Lakela
Heuchera ovalifolia Nutt. ex Torr. & Gray var. thompsonii Rosendahl, Butters & Lakela
Heuchera saxicola E. Nels.
Heuchera suksdorfii Rydb.
Additional Resources:

PNW Herbaria: Specimen records of Heuchera cylindrica in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Heuchera cylindrica checklist entry.

E-Flora BC: Heuchera cylindrica atlas page.

CalPhotos: Heuchera cylindrica photos.

USDA Plants: Heuchera cylindrica information.

68 photographs:
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