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Calochortus macrocarpus

green-banded star tulip, sagebrush mariposa lily

Calochortus tolmiei

Tolmie's cat's ear

Stems

20–55 cm long.

10–40 cm long, usually branching.

Leaves

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

margins revolute, withering.

basal leaves 10–40 cm long, tapering at both ends, rarely producing bulbs in leaf axils.

Inflorescences

1–2-flowered.

flowers 1–5 or moreflowered;

bracts 2 or more, linear-lanceolate; to 7 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 10–15 mm long, acuminate;

petals obovate or wedge-shaped, 12–25 mm long, white above and purple near nectary;

inner surface with dense simple hairs throughout;

nectary lunate;

membrane crested with 2 rows of short hairs;

margins well away from petal edges;

filaments to 8 mm long;

anthers lanceolate to 5 mm long, white, pink, or purple.

Fruits

erect; lance-linear, 5–10 mm wide.

nodding, elliptic-oblong, 20–30 mm long, winged.

Seeds

wafer-like; straw-colored.

irregular-shaped, purple; aging to brown.

2n

=20.

Calochortus macrocarpus

Calochortus tolmiei

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

Grasslands, forests, gravelly slopes. Flowering Mar–Jul. 0–2300m. Casc, CR, Est, Sisk, WV. CA. Native.

Calochortus tolmiei is a highly variable species, which has resulted in many populations being described as distinct taxa (and subsequently “lumped” or synonymized back into the overall species concept). Calochortus tolmiei is known to hybridize with C. uniflorus.

Source Flora of Oregon, volume 1, page 295
Frank Callahan
Flora of Oregon, volume 1, page 296
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. umpquaensis, C. uniflorus
Subordinate taxa
C. macrocarpus var. macrocarpus, C. macrocarpus var. maculosus
Synonyms Calochortus maweanus, Calochortus purdyi
Web links