Flora of North America species comparison

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Calochortus uniflorus

Calochortus invenustus

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

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

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

slender, usually not branching or twisted, 2–5 dm.
Leaves

basal persistent, 1–4 dm;

blade lanceolate, flat;

cauline usually present.

basal withering, 1–2 dm;

blade linear.
Inflorescences

subumbellate, 1–5-flowered;

bracts 2–4, linear, attenuate.

subumbellate, 1–5-flowered;

bracts 2–5 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-ovate, 2–3 cm, apex acuminate;

petals white or dull lavender to purplish, with longitudinal median green stripe on adaxial surface and sometimes purplish blotch proximal to gland, cuneate to obovate, 2–4 cm, with a few short hairs near gland, apex obtuse to apiculate;

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

filaments 6–7 mm;

anthers purplish or yellowish, oblong, 7–8 mm, apex obtuse.
Capsules

nodding, narrowly 3-winged, 1–3 cm.

erect, lanceoloid-linear, angled, 5–7 cm, apex acute.
Seeds

dark brown, irregular.

flat.
2n

= 20, 40.

= 14.

Calochortus uniflorus

Calochortus invenustus
Phenology Flowering late spring–mid summer. Flowering late spring–late summer.
Habitat Moist meadows Dry soil, usually granitic, usually in montane coniferous forests
Elevation 0–200 m (0–700 ft) 1500–3000 m (4900–9800 ft)
Distribution
from FNA
CA; OR
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
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. excavatus, C. flexuosus, C. greenei, C. gunnisonii, C. howellii, C. indecorus, 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)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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