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large-flower star-tulip, Monterey mariposa lily, pink star-tulip

Inyo County star-tulip

Stems

usually not branching, shorter than 5(–10) cm, bearing bulblets near base.

slender, not branching, 1–3 dm.

Leaves

basal persistent, 1–4 dm;

blade lanceolate, flat;

cauline usually present.

basal usually persistent, 1–2 dm;

blade linear.

Inflorescences

subumbellate, 1–5-flowered;

bracts 2–4, linear, attenuate.

subumbellate, 1–4-flowered;

bracts paired, 3–8 cm.

Flowers

erect;

perianth open, campanulate;

sepals elliptic-lanceolate, 12–16 mm, glabrous, apex acuminate;

petals ± white to pink, often with purple blotch distal to gland, broadly obovate, cuneate, 15–28 mm, adaxial surface glabrous or sparsely hairy, margins irregularly dentate distally;

glands covered with ciliate membranes, bordered distally by short hairs;

filaments longer than anthers;

anthers oblong, apex obtuse or acute.

erect;

perianth open, campanulate;

sepals lanceolate, 2–3 cm, apex acuminate;

petals lavender, with longitudinal median abaxial green stripe, with or without blotches, broadly cuneate to obovate, 3–4 cm, with a few short hairs near gland;

glands round, depressed, surrounded by conspicuously fringed membrane, densely covered with short, distally branching hairs;

filaments 6–8 mm;

anthers red-brown, oblong, 7–10 mm, apex obtuse.

Capsules

nodding, narrowly 3-winged, 1–3 cm.

erect, brown, lanceoloid-linear, 3-angled, 2–3 cm.

Seeds

dark brown, irregular.

light beige, translucent, flat.

2n

= 20, 40.

Calochortus uniflorus

Calochortus excavatus

Phenology Flowering late spring–mid summer. Flowering spring.
Habitat Moist meadows Grassy meadows in shadscale scrub
Elevation 0–200 m (0–700 ft) 1200–2000 m (3900–6600 ft)
Distribution
from FNA
CA; OR
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
[BONAP county map]
Discussion

Calochortus excavatus is found only in the eastern Sierra Nevada in Mono and Inyo counties. It is threatened by groundwater depletion.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 26, p. 127. FNA vol. 26, p. 137.
Parent taxa Liliaceae > Calochortus Liliaceae > Calochortus
Sibling taxa
C. albus, C. amabilis, C. ambiguus, C. amoenus, C. apiculatus, C. argillosus, C. aureus, C. bruneaunis, C. catalinae, C. clavatus, C. coeruleus, C. concolor, C. coxii, C. dunnii, C. elegans, C. eurycarpus, C. excavatus, C. flexuosus, C. greenei, C. gunnisonii, C. howellii, C. indecorus, C. invenustus, C. kennedyi, C. leichtlinii, C. longebarbatus, C. luteus, C. lyallii, C. macrocarpus, C. minimus, C. monanthus, C. monophyllus, C. nitidus, C. nudus, C. nuttallii, C. obispoensis, C. palmeri, C. panamintensis, C. persistens, C. plummerae, C. pulchellus, C. raichei, C. simulans, C. splendens, C. striatus, C. subalpinus, C. superbus, C. tiburonensis, C. tolmiei, C. umbellatus, C. umpquaensis, C. venustus, C. vestae, C. weedii, C. westonii
C. albus, C. amabilis, C. ambiguus, C. amoenus, C. apiculatus, C. argillosus, C. aureus, C. bruneaunis, C. catalinae, C. clavatus, C. coeruleus, C. concolor, C. coxii, C. dunnii, C. elegans, C. eurycarpus, C. flexuosus, C. greenei, C. gunnisonii, C. howellii, C. indecorus, C. invenustus, C. kennedyi, C. leichtlinii, C. longebarbatus, C. luteus, C. lyallii, C. macrocarpus, C. minimus, C. monanthus, C. monophyllus, C. nitidus, C. nudus, C. nuttallii, C. obispoensis, C. palmeri, C. panamintensis, C. persistens, C. plummerae, C. pulchellus, C. raichei, C. simulans, C. splendens, C. striatus, C. subalpinus, C. superbus, C. tiburonensis, C. tolmiei, C. umbellatus, C. umpquaensis, C. uniflorus, C. venustus, C. vestae, C. weedii, C. westonii
Name authority Hooker & Arnott: Bot. Beechey Voy., 398, plate 94. (1840) Greene: Pittonia 2: 71. (1890)
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