Flora of North America species comparison

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Calochortus dunnii

Calochortus luteus

Dunn's mariposa-lily

yellow mariposa, yellow mariposa lily
Habit Plants rarely bulbose; bulb coat, when present, membranous.
Stems

slender, usually branching, ± straight, 2–6 dm.

slender, 2–5 dm.
Leaves

basal withering, 1–2 dm;

blade linear-attenuate, channeled.

basal withering, 1–2 dm;

blade linear.
Inflorescences

2–6-flowered;

bracts 1–2 cm.

subumbellate, 1–4-flowered;

bracts 1–8 cm.
Flowers

erect;

perianth open, campanulate;

sepals lanceolate-ovate, 1–2 cm;

petals white, usually flushed pink, with red-brown blotch distal to gland, obovate to cuneate, 2–3 cm, usually rounded distally, with yellowish hairs near gland;

glands rounded, not depressed, covered with linear yellow hairs;

filaments 5–6 mm;

anthers white, oblong, 4–5 mm, apex acute.

erect;

perianth open, campanulate;

sepals lanceolate-oblong, attenuate, 2–3 cm;

petals deep yellow, usually streaked red-brown proximally, often with median red-brown blotch, cuneate to obovate, 2–4 cm, with a few slender hairs near gland;

glands ± lunate to oblong, not depressed, covered with short, matted hairs;

filaments 7–9 mm;

anthers linear-oblong, 4–6 mm, apex obtuse or acute.
Capsules

erect, linear, angled in cross section, 2–3 cm.

erect, lanceoloid-linear, angled, 3–6 cm.
Seeds

light beige, flat.
2n

= 14.

= 14, 28.

Calochortus dunnii

Calochortus luteus
Phenology Flowering mid summer. Flowering late spring–mid summer.
Habitat Dry stony ridges in chaparral and pine forest Heavy soils in grasslands, open woodlands, mixed evergreen forests
Elevation 1500–1700 m (4900–5600 ft) 0–700 m (0–2300 ft)
Distribution
from FNA
CA; Mexico (Baja California)
[BONAP county map]
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
Discussion

Of conservation concern.

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

Coastal plants of Calochortus luteus are mostly triploid, while those of the interior are mostly diploid. Occasionally this species hybridizes with C. superbus.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 26. FNA vol. 26, p. 135.
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. 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
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. 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. palmeri var. dunnii Mariposa lutea
Name authority Purdy: Proc. Calif. Acad. Sci., ser. 3, 2: 147, plate 19, figs. 14, 17. (1901) Douglas ex Lindley: Edwards’s Bot. Reg. 19: plate 1567. (1833)
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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