Burke: Calochortus eurycarpus vs. Calochortus macrocarpus

	Calochortus eurycarpus	Calochortus macrocarpus
	big-pod mariposa lily, wide-fruited mariposa lily	sagebrush mariposa lily, green-banded star-tulip
Habit	Perennial herb from a deep-seated bulb, the stem erect, 1-5 dm. tall.	Perennial herb from a deep-seated bulb, the stem erect, stout, unbranched, 2-7 dm. tall.
Leaves	Basal leaf flat, 1-3 dm. long and 5-25 mm. broad, exceeded by the inflorescence; single, bract-like cauline leaf about mid-stem.	Leaves linear, concave-convex, reduced upward, becoming strongly involute and curled at the tip.
Flowers	Umbel 1-5 flowered, the flowers creamy white to lavender, with a conspicuous red-purple blotch in the middle of each petal; sepals 3, broadly lanceolate, much shorter than the petals; petals 3, obovate, wedge-shaped; gland triangular, bordered below with a narrow, fringed membrane and above with a narrower membrane with rounded teeth, the enclosed surface densely covered with long, yellowish processes; stamens 6, in 2 series; style short, stigma trifid, persistent.	Umbels 1-3 flowered; flowers large, lavender to white, erect, each petal with a median green stripe; sepals 3, longer than the petals, narrowly lanceolate, pointed; petals 3, obovate, moderately bearded above the gland; gland triangular-oblong, surrounded with a broad, fringed membrane, and densely covered with slender processes; stamens 6, style tapered, stigma trifid, persistent.
Fruits	Capsule 3-winged, elliptic-oblong, erect.	Capsule linear-lanceolate, 3-angled, pointed.

	Calochortus eurycarpus	Calochortus macrocarpus
Flowering time	June-August	May-July
Habitat	Grasslands and open coniferous forests at moderate elevations.	Dry open forests, hillsides, grasslands and sagebrush, low to moderate elevations.
Distribution	Occurring east of the Cascades crest in southeastern Washington; southeastern Washington to eastern Oregon, east to Montana and Wyoming. [WildflowerSearch map] [BONAP county map]	Occurring east of the Cascades crest in Washington; British Columbia to California, east to Montana and Nevada. [WildflowerSearch map] [BONAP county map]
Origin	Native	Native
Conservation status	Review Group 1 in Washington (WANHP)	Not of concern
Sibling taxa	C. apiculatus, C. elegans, C. longebarbatus, C. lyallii, C. macrocarpus, C. nitidus, C. subalpinus	C. apiculatus, C. elegans, C. eurycarpus, C. longebarbatus, C. lyallii, C. nitidus, C. subalpinus
Subordinate taxa		C. macrocarpus var. macrocarpus, C. macrocarpus var. maculosus
Web links	Local floras: OR, WA Local Web sites: Flora NW, PNW Herbaria, Turner Photog. WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search	Local floras: BC, CA, OR, WA Local Web sites: CalFlora, CalPhotos, Flora NW, PNW Herbaria, Turner Photog. WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search

Calochortus eurycarpus

Calochortus macrocarpus

big-pod mariposa lily, wide-fruited mariposa lily

sagebrush mariposa lily, green-banded star-tulip

Habit

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

Perennial herb from a deep-seated bulb, the stem erect, stout, unbranched, 2-7 dm. tall.

Leaves

Basal leaf flat, 1-3 dm. long and 5-25 mm. broad, exceeded by the inflorescence; single, bract-like cauline leaf about mid-stem.

Leaves linear, concave-convex, reduced upward, becoming strongly involute and curled at the tip.

Flowers

Umbel 1-5 flowered, the flowers creamy white to lavender, with a conspicuous red-purple blotch in the middle of each petal;

sepals 3, broadly lanceolate, much shorter than the petals;

petals 3, obovate, wedge-shaped;

gland triangular, bordered below with a narrow, fringed membrane and above with a narrower membrane with rounded teeth, the enclosed surface densely covered with long, yellowish processes;

stamens 6, in 2 series;

style short, stigma trifid, persistent.

Umbels 1-3 flowered;

flowers large, lavender to white, erect, each petal with a median green stripe;

sepals 3, longer than the petals, narrowly lanceolate, pointed;

petals 3, obovate, moderately bearded above the gland;

gland triangular-oblong, surrounded with a broad, fringed membrane, and densely covered with slender processes;

stamens 6, style tapered, stigma trifid, persistent.

Fruits

Capsule 3-winged, elliptic-oblong, erect.

Capsule linear-lanceolate, 3-angled, pointed.