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Douglasia alaskana (Coville & Standl. ex Hultén) S. Kelso
ALASKAN DOUGLASIA
Life   Plantae   Dicotyledoneae   Primulaceae   Douglasia


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Douglasia alaskana (Coville & Standl. ex Hultén) S. Kelso
Alaskan douglasia


General Information
Symbol: DOAL2
Group: Dicot
Family: Primulaceae
Duration: Annual
Biennial
Perennial
Growth Habit : Forb/herb
Subshrub
Native Status : AK   N
CAN   N
Data Source and Documentation
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Native Status:
lower 48 status L48    Alaska status AK    Hawaii status HI    Puerto Rico status PR    Virgin Islands status VI    Navassa Island NAV    Canada status CAN    Greenland status GL    Saint Pierre and Michelon status SPM    North America NA   

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Synonyms

Symbol Scientific Name
ANAL2 Androsace alaskana Coville & Standl. ex Hultén
ANALR Androsace alaskana Coville & Standl. ex Hultén var. reediae S.L. Welsh & Goodrich

Classification

Click on a scientific name below to expand it in the PLANTS Classification Report.
Rank Scientific Name and Common Name
Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
Superdivision Spermatophyta – Seed plants
Division Magnoliophyta – Flowering plants
Class Magnoliopsida – Dicotyledons
Subclass Dilleniidae
Order Primulales
Family Primulaceae – Primrose family
Genus Douglasia Lindl. – dwarf-primrose
Species Douglasia alaskana (Coville & Standl. ex Hult̩n) S. Kelso РAlaskan douglasia

Subordinate Taxa

This plant has no children

Legal Status

Wetland Status

Interpreting Wetland Status

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Integrated Taxonomic Information System (ANAL2)
Integrated Taxonomic Information System (ANALR)
Integrated Taxonomic Information System (DOAL2)

Wildlife

Food

Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Cover

Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Description of Values

Value Class Food Cover


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Following modified from Flora of North America
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FNA Vol. 8 Page 263, 264 , 265 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 8 | Primulaceae | Douglasia

1. Douglasia alaskana (Coville & Standley ex Hultén) S. Kelso, Canad. J. Bot. 70: 595. 1992.

Androsace alaskana Coville & Standley ex Hultén, Fl. Alaska Yukon 8: 1279. 1948; A. alaskana var. reediae S. L. Welsh & Goodrich

Plants biennial, not mat- or cushion-forming. Stems ascending, without marcescent leaves. Leaves in single rosette, horizontal, thin; blade cuneate to oblong, 5-15 × 3-8 mm, margins entire, shortly ciliolate, hairs simple, apex acute or remotely 3-toothed, ciliate, hairs simple, abaxial surface densely villous, hairs simple, adaxial surface glabrous or sparsely villous. Scapes to 10 mm in early anthesis, elongating to 1-10 cm in fruit, densely hairy at apex, hairs branched and stellate. Inflorescences 1-2-flowered, usually bracteate, sometimes ebracteate; bracts 1-5, lanceolate, 3-5 × 3-5 mm, glabrous. Pedicels absent. Flowers: calyx 3-6 × 3-4 mm, glabrous; corolla deep purple, white in age, limb 3-5 mm diam., lobes 1-3 × 1 mm, margins entire. 2 n = 38.

Flowering early summer. Stony places on tundra, alpine scree; 0-2000 m; Yukon; Alaska.

The single rosettes of Douglasia alaskana are not characteristic of any other species of the genus; they are common in Androsace sect. Aretia , where annual/biennial growth habit appears to have evolved multiple times. Chromosome number, pubescence, and seed anatomy (A. A. Anderberg and S. Kelso 1996) link this taxon to other species of Douglasia . Plants described as var. reediae differ only in the marginally thinner scapes and less noticeably toothed leaves. Because this variation is well within that shown by the species throughout its range in western and southern Alaska, the variety is not recognized here. Douglasia alaskana is widespread but somewhat uncommon in the mountains of southern Alaska and southern Yukon; disjunct populations occur in western Alaska on the Seward Peninsula. Presence in British Columbia was suggested by a misidentified specimen ( Carney s.n. , 13 Jun 1976, V) from Atlin Lake; D. alaskana is not yet known from that province.

Updated: 2020-08-03 20:55:10 gmt
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