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big-pod mariposa, big-pod mariposa lily, white mariposa lily, wide-fruit mariposa lily

Calochortus bruneaunis

Bruneau mariposa lily, pinyon mariposa

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

not branching, straight, 1–5 dm.

usually not branching or twisted, 1–4 dm.

Leaves

basal persistent, subtended by inflorescence, 1–3 dm × 5–25 mm;

blade flat, tapering toward both ends, becoming involute.

basal withering, 1–2 dm;

blade linear.

Inflorescences

subumbellate, 1–5-flowered;

bracts 2 or more, narrowly lanceolate to linear, long-attenuate, unequal, 1–5 cm.

1–4-flowered;

bracts 2–4 cm.

Flower(s)

erect;

perianth open, campanulate;

sepals ovate to lanceolate, usually much shorter than petals, glabrous, apex acute to acuminate;

petals creamy white to lavender, with conspicuous median red-purple adaxial blotch, obovate, invested near gland with few long, flexuous hairs, base cuneate, apex rounded or acute;

glands triangular-lunate, slightly depressed, bordered proximally by comparatively narrow, deeply fringed membrane, distally often by narrower, crenate membranes, enclosed surface densely covered with long yellowish hairs, which, with membrane fringe, are often inconspicuously papillose;

filaments slightly longer than anthers;

anthers oblong, apex obtuse.

erect;

perianth open, campanulate;

sepals with dark red or purple blotch near base, lanceolate, 1–4 cm, usually glabrous, apex acuminate;

petals white tinged with lilac, with longitudinal median green stripe on abaxial surface and dark red or purple crescent distal to gland, narrowly obovate, 2–4 cm, ± glabrous;

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

filaments 5–6 mm;

anthers yellow, blue, or maroon, oblong, 5–7 mm, apex obtuse.

Capsules

erect, 3-winged, ellipsoid-oblong.

erect, linear-lanceoloid, angled, 3–7 cm, apex acuminate.

Seeds

light beige.

yellow, flat.

2n

= 20.

= 14.

Calochortus eurycarpus

Calochortus bruneaunis

Phenology Flowering summer. Flowering late spring–summer.
Habitat Grasslands and open coniferous forests Dry brushy, grassy slopes, flats, pinyon-juniper woodlands
Elevation 700–2700 m (2300–8900 ft) 900–3000 m (3000–9800 ft)
Distribution
from FNA
ID; MT; NV; OR; WA; WY
[WildflowerSearch map]
[BONAP county map]
from FNA
CA; ID; MT; NV; OR; UT
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 26. FNA vol. 26.
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. 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. uniflorus, C. venustus, C. vestae, C. weedii, C. westonii
C. albus, C. amabilis, C. ambiguus, C. amoenus, C. apiculatus, C. argillosus, C. aureus, 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. uniflorus, C. venustus, C. vestae, C. weedii, C. westonii
Synonyms C. nitidus var. eurycarpus C. nuttallii var. bruneaunis
Name authority S. Watson: Botany (Fortieth Parallel), 348. (1871) A. Nelson & J. F. Macbride: Bot. Gaz. 55: 372. (1913)
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