Flora of North America species comparison

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Calochortus uniflorus

Calochortus striatus

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

alkali mariposa-lily
Habit Plants not bulbose.
Stems

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

1–5 cm.
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 linear, 1–3 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, narrow at base;

sepals lanceolate, 1–2 cm, apex acuminate;

petals white to lavender, with conspicuous purple striping, obovate to cuneate, rounded, 2–3 cm, sparsely hairy around gland, margins irregularly dentate distally;

glands oblong, not depressed, covered with linear hairs;

filaments 5–7 mm;

anthers oblong, 4–6 mm.
Capsules

nodding, narrowly 3-winged, 1–3 cm.

erect, linear, angled, 4–5 cm.
Seeds

dark brown, irregular.

light-colored, flat.
2n

= 20, 40.

Calochortus uniflorus

Calochortus striatus
Phenology Flowering late spring–mid summer. Flowering mid spring–early summer.
Habitat Moist meadows Alkaline meadows, springy places in creosote bush scrub
Elevation 0–200 m (0–700 ft) 300–1400 m (1000–4600 ft)
Distribution
from FNA
CA; OR
[WildflowerSearch map]
[BONAP county map]
from FNA
CA; NV
[WildflowerSearch map]
[BONAP county map]
Discussion

Of conservation concern.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 26, p. 127. 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. 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. 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. 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) Parish: Bull. S. Calif. Acad. Sci. 1: 122. (1902)
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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