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Calochortus macrocarpus

green-banded star tulip, sagebrush mariposa lily

large-flowered star-tulip, Monterey mariposa lily

Stems

20–55 cm long.

to 10 cm long;

bulblets present.

Leaves

basal leaves linear, 5–10 cm long, glaucous;

margins revolute, withering.

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

cauline leaves 1–3, linear.

Inflorescences

1–2-flowered.

1–5-flowered;

bracts 2, linear; to 4 cm long.

Flowers

sepals lanceolate, 40–50 mm long;

petals obovate, 40–60 mm long, white to pink or purple, with a chevron or crescent or not; lower 33% of inner petal with yellow scattered hairs; outer petal surface with distinct green band;

nectary depressed, triangular;

filaments 8–9 mm long;

anthers to 10 mm long, pink to light purple.

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

erect; lance-linear, 5–10 mm wide.

nodding; elliptical, 10–30 mm long.

Seeds

wafer-like; straw-colored.

irregular-shaped, purple; aging to brown.

2n

=20, 40.

Calochortus macrocarpus

Calochortus uniflorus

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 295
Frank Callahan
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. monophyllus, C. nitidus, C. nudus, C. persistens, C. subalpinus, C. tolmiei, C. umpquaensis, C. uniflorus
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
Subordinate taxa
C. macrocarpus var. macrocarpus, C. macrocarpus var. maculosus
Web links