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Compilation
Saxifraga davurica

4 Images see all

Filed as Saxifraga davurica [family SAXIFRAGACEAE]
Type of Saxifraga davurica Willd. [family SAXIFRAGACEAE]
Type of Saxifraga davurica subspecies grandipetala (Engler & Irmscher) [family SAXIFRAGACEAE]
Isotype of Saxifraga davurica Willd. [family SAXIFRAGACEAE]
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Name

Identification
Saxifraga unalaschensis Sternb. [family SAXIFRAGACEAE ] (stored under name); Saxifraga davurica Willd. [family SAXIFRAGACEAE ]
Related name
  • Saxifraga davurica
  • Saxifraga unalaschensis

Flora

Entry for Micranthes calycina (Sternberg) Gornall & H. Ohba [family ]
Herbarium
Flora of North America (FNA)
Collection
Flora of North America
Resource Type
Reference Sources
Entry From
Flora of North America, Vol 8,
Names
Micranthes calycina (Sternberg) Gornall & H. Ohba [family ], J. Bot. Res. Inst. Texas, 1: 1020. 2007,
Saxifraga calycina Sternberg [family SAXIFRAGACEAE], Revis. Saxifrag., suppl., 2: 10. 1831
Saxifraga davurica Willdenow subsp. grandipetala (Engler & Irmscher) Hultén [family SAXIFRAGACEAE]
Saxifraga davurica var. grandipetala (Engler & Irmscher) B. Boivin [family SAXIFRAGACEAE]
Treatment Author(s)
Luc Brouillet
Patrick E. Elvander†
Information
Plants solitary or in clusters, rhizomatous. Leaves basal; petiole ± distinct, flattened, (0.5–)1–3.5 cm; blade rhombic or fan-shaped, sometimes nearly round, (1–)1.5–3.5 cm, ± fleshy, base attenuate to ± cuneate, margins 7–11-toothed in distal 1/2–2/3 (teeth 1–3 mm), sparsely ciliate, surfaces glabrous. Inflorescences 3–15-flowered, usually racemiform, sometimes paniculiform thyrses, 3–15 cm, axis glabrous or sparsely long-hairy, branches ± densely (rarely sparsely) long tangled-hairy; (bracts reduced). Flowers: sepals reflexed, lanceolate to ovate; petals white to cream, sometimes purplish, not spotted, linear to narrowly elliptic, not clawed, 2–4 mm, longer than sepals; filaments linear, flattened; pistils connate 1/2+ their lengths, (conic); ovary ± 1/2 inferior. Capsules purple-black, valvate. 2n = 24.
Phenology
Flowering summer
Altitude range
(0–)30–1700 m
Distribution
e Asia (Russian Far East).USA Alaska
Discussion
Micranthes calycina is found mostly in western Alaska, in the north from the Seward Peninsula to the Brooks Range west of Atigun Pass, and in the south from Unimak Island and the Ahklum Mountains to the Saint Elias Mountains. It is also present on the main Bering Sea islands, but apparently not on the Aleutians west of Unimak. Plants of this species sometimes have been misidentified as M. davurica (Willdenow) Small, a species restricted to eastern Siberia.

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