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Calochortus macrocarpus

green-banded star-tulip, sagebrush mariposa-lily

splendid mariposa, splendid mariposa lily

Habit Plants usually bulbose; bulb coat membranous. Plants rarely bulbose; bulb coat, when present, membranous.
Stems

usually not branching, stout, 2–5 dm.

branching, ± straight, 2–6 dm.

Leaves

basal withering, 0.5–1 dm;

blade linear.

basal withering, 1–2 dm;

blade linear, attenuate.

Inflorescences

subumbellate, 1–3-flowered;

bracts 3–5 cm.

monochasiate, 1–4-flowered;

bracts 2–5 cm.

Flowers

erect;

perianth open, campanulate;

sepals lanceolate, 4–5 cm, apex acuminate;

petals purple, with median green stripe on abaxial surface, obovate, 4–6 cm, bearded distal to gland, apex acuminate;

glands triangular-sagittate, slightly depressed, densely covered with slender hairs;

filaments 8–9 mm;

anthers lanceolate-linear, ca. 1 cm, apex obtuse.

erect;

perianth open, campanulate, narrow at base;

sepals deep lilac, often with purple blotch, lanceolate-ovate to acuminate, 2–3 cm;

petals lavender to deep purple, usually with purple blotch at base, obovate to cuneate, rounded, 3–5 cm, with scattered, white and/or purple hairs proximal to middle, sometimes with yellow hairs distal to gland, margins dentate distally;

glands ± square, not depressed, usually with many branching hairs;

filaments 7–8 mm;

anthers purple or white, 5–7 mm, apex obtuse to abruptly pointed.

Capsules

erect, lanceoloid-linear, angled, 4–5 cm, apex acuminate.

erect, linear, angled, 5–7 cm.

Seeds

flat, inflated.

light-colored, flat.

2n

= 14.

= 14.

Calochortus macrocarpus

Calochortus splendens

Phenology Flowering late spring–mid summer.
Habitat Dry slopes in heavy or granitic soil in chaparral, valley grassland, pine forest
Elevation less than 2800 m (less than 9200 ft)
Distribution
from USDA
w North America
[WildflowerSearch map]
[BONAP county map]
from FNA
CA; Mexico (Baja California)
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[BONAP county map]
Discussion

Varieties 2 (2 in the flora).

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

Key
1. Petals purple, with or without dark purple band distal to gland.
var. macrocarpus
1. Petals white, with reddish purple crescent distal to gland.
var. maculosus
Source FNA vol. 26, p. 136. FNA vol. 26, p. 133.
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. 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
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. striatus, C. subalpinus, C. superbus, C. tiburonensis, C. tolmiei, C. umbellatus, C. umpquaensis, C. uniflorus, C. venustus, C. vestae, C. weedii, C. westonii
Subordinate taxa
C. macrocarpus var. macrocarpus, C. macrocarpus var. maculosus
Synonyms Mariposa macrocarpa C. davidsonianus, Mariposa splendens
Name authority Douglas: Trans. Hort. Soc. London 7: 276, plate 8. (1828) Douglas ex Bentham: Trans. Hort. Soc. London, ser. 2, 1: 411, plate 15, fig.1. (1835)
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