Family: Primulaceae,
Primrose
Genus: Androsace
Description
General: annual, 3-25 cm tall, flower stems usually many,
from nearly hairless to sparsely glandular-short-hairy or
more usually densely hairy with fine branched hairs, from
a taproot.
Leaves: basal, in a single rosette, oblanceolate, 1-3
cm long, entire to small-toothed, gradually narrowed to the
base, sparsely to densely hairy with simple or forked hairs.
Flowers: many in umbel-clusters on individual stems
from the base, each with 3 to 25 flowers, the bracts at the
base of each umbel linear to lanceolate, 3-6 mm long,
usually not over 1 mm broad. Flower stalks rather slender,
about 1-5 cm long, the outer ones strongly curved, from
nearly hairless to fairly densely short-hairy and more or
less glandular. Calyx 2.5-4 mm long, bell-shaped, strongly
keeled lengthwise, the tube considerably longer than the 5
narrowly triangular lobes. Corolla white, slightly longer than
the calyx, with 5 rounded lobes.
Flowering time: May-August.
Fruits: capsules, top-shaped to round, about equaling
the calyx tube. Seeds dark brown, about 1 mm long.
Distribution
Dry, open sites, plains to alpine zone, in w., c. and n.e.
parts of MT. Also circumpolar in the Arctic, and s. in the
mountains of w. U.S. to CA, AZ, and NM. |
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