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large-flowered star-tulip, Monterey mariposa lily

Stems

to 10 cm long;

bulblets present.

Leaves

basal leaves 10–40 cm long, clasping stem at base, persistent;

cauline leaves 1–3, linear.

Inflorescences

1–5-flowered;

bracts 2, linear; to 4 cm long.

Flowers

sepals lance elliptic, 12–16 mm long, acuminate;

petals widely wedge-shaped to ovate, 14–28 mm long, white to pink or purple;

nectary with pocket-like triangular membrane, crested with simple hairs;

filaments to 8 mm long;

anthers to 4 mm long, pink to light purple.

Fruits

nodding; elliptical, 10–30 mm long.

Seeds

irregular-shaped, purple; aging to brown.

2n

=20, 40.

Calochortus uniflorus

Calochortus clavatus

Distribution
[WildflowerSearch map]
[BONAP county map]
[WildflowerSearch map]
[BONAP county map]
Discussion

Vernal meadows in heavy clays or serpentine soils. Flowering Apr–Jun. 100–800m. Casc, Sisk, WV. CA. Native.

Calochortus uniflorus is known to hybridize with C. tolmiei.

Source Flora of Oregon, volume 1, page 297
Frank Callahan
Sibling taxa
C. amabilis, C. bruneaunis, C. coeruleus, C. coxii, C. elegans, C. eurycarpus, C. greenei, C. howellii, C. indecorus, C. leichtlinii, C. longebarbatus, C. luteus, C. macrocarpus, C. monophyllus, C. nitidus, C. nudus, C. persistens, C. subalpinus, C. tolmiei, C. umpquaensis
C. amabilis, C. bruneaunis, C. coeruleus, C. coxii, C. elegans, C. eurycarpus, C. greenei, C. howellii, C. indecorus, C. leichtlinii, C. longebarbatus, C. luteus, C. macrocarpus, C. monophyllus, C. nitidus, C. nudus, C. persistens, C. subalpinus, C. tolmiei, C. umpquaensis, C. uniflorus
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