Flora of North America species comparison

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Calochortus striatus

Calochortus aureus

alkali mariposa-lily

golden mariposa lily
Habit Plants not bulbose. Plants usually bulbose; bulb coat, when present, membranous.
Stems

1–5 cm.

usually not branching or twisted, 1–3 dm.
Leaves

basal withering, 1–2 dm;

blade linear.

basal withering, 1–2 dm;

blade linear.
Inflorescences

subumbellate, 1–5-flowered;

bracts linear, 1–3 cm.

erect, subumbellate, 1–4-flowered;

bracts unequal at base of inflorescence, 1–6 cm.
Flowers

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.

erect;

perianth open, campanulate;

sepals with maroon blotch distal to gland, broadly lanceolate, 1–4 cm, apex acuminate;

petals lemon yellow, with maroon blotch distal to gland, broadly obovate, cuneate, 3–3.5 cm, ± glabrous or with a few lemon-yellow hairs near gland;

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

filaments ca. equaling anthers;

anthers yellowish cream, oblong, apex obtuse.
Capsules

erect, linear, angled, 4–5 cm.

erect, light tan to light brown, linear-lanceoloid, 3-angled, ca. 2.5–5 cm, apex acuminate.
Seeds

light-colored, flat.

light yellow, flat.
2n

= 32.

Calochortus striatus

Calochortus aureus
Phenology Flowering mid spring–early summer. Flowering late spring–mid summer.
Habitat Alkaline meadows, springy places in creosote bush scrub Dry sandy–clayey places
Elevation 300–1400 m (1000–4600 ft) 1200–2000 m (3900–6600 ft)
Distribution
from FNA
CA; NV
[WildflowerSearch map]
[BONAP county map]
from FNA
AZ; NM; UT
[WildflowerSearch map]
[BONAP county map]
Discussion

Of conservation concern.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 26, p. 133. 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. 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
C. albus, C. amabilis, C. ambiguus, C. amoenus, C. apiculatus, C. argillosus, 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. uniflorus, C. venustus, C. vestae, C. weedii, C. westonii
Synonyms C. nuttallii var. aureus
Name authority Parish: Bull. S. Calif. Acad. Sci. 1: 122. (1902) S. Watson: Amer. Naturalist 7: 303. (1873)
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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