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Calochortus lyallii

Lyall's mariposa-lily

Habit Perennial herb from a deep-seated bulb, the stem erect, 1-5 dm. tall.
Leaves

Basal leaf flat, 1-2 dm. long and 2-20 mm. broad, not exceeding the inflorescence; a single bract-like cauline leaf about mid-stem.

Flowers

Umbel 1-4 flowered;

flowers white or purplish tinged, with a purple crescent on each petal above the gland and a similar spot on each sepal;

pedicels slender, erect or spreading;

sepals 3, about equal to the petals, lanceolate, glabrous;

petals 3, ovate to lanceolate, pointed, abruptly contracted at the base to a short claw, conspicuously fringed with long, slender hairs;

gland transverse, arched upward, bordered above with a fringed membrane and below with a narrower membrane, the enclosed surface covered with thick processes;

stamens 6, style short, stigma trifid, persistent.

Fruits

Capsule elliptic, 3-winged, erect.

Calochortus nudus

Calochortus lyallii

Flowering time May-July
Habitat Dry, open coniferous forests at moderate to mid-elevations in the mountains.
Distribution
[WildflowerSearch map]
[BONAP county map]
Occurring east of the Cascades crest in central Washington; British Columbia south along the east slope of the Cascades to south-central Washington.
[WildflowerSearch map]
[BONAP county map]
Origin Native
Conservation status Not of concern
Sibling taxa
C. apiculatus, C. elegans, C. eurycarpus, C. longebarbatus, C. lyallii, C. macrocarpus, C. nitidus, C. subalpinus
C. apiculatus, C. elegans, C. eurycarpus, C. longebarbatus, C. macrocarpus, C. nitidus, C. subalpinus
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