Flora of North America species comparison

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Calochortus weedii

Calochortus simulans

foothill mariposa lily, Weed's mariposa, Weed's mariposa lily

La Panza mariposa lily, San Luis obispo mariposa-lily
Habit Plants usually bulbose; bulb coat fibrous-reticulate. Plants bulbose; bulb coat membranous.
Stems

slender, usually branching, 3–9 dm.

usually branching, 1–6 dm.
Leaves

basal withering, 2–4 dm;

blade linear to lanceolate.

basal withering, 1–2 dm;

blade linear.
Inflorescences

2–6-flowered;

bracts resembling distal cauline leaves.

subumbellate, 1–3-flowered;

bracts 2–8 cm.
Flowers

erect;

perianth open, broadly campanulate;

sepals ovate to lanceolate, attenuate, 2–3 cm;

petals orange-yellow, flecked, broadly cuneate or obovate, ca. 2–3 cm, adaxially bearded with long yellow hairs, margins often red-brown, dentate or fringed;

glands round, slightly depressed, ± glabrous, surrounded by ring of long, dense, obscuring yellow hairs;

filaments 8–12 mm;

anthers lanceolate-oblong, apex acute.

erect;

perianth open, campanulate;

sepals with dark red proximal blotch surrounding gland and extending to base, lanceolate, 2–3 cm, apex recurved;

petals white or yellowish, often pink abaxially, with dark red blotch surrounding gland, often with small red spot immediately above gland, obovate to cuneate, 3–5 cm, with scattered hairs proximally;

glands suprabasal, ± square, not depressed, covered with short hairs;

filaments usually equaling anthers;

anthers linear-lanceolate to oblong.
Capsules

erect, linear, angled, 4–5 cm, apex acute.

erect, linear, angled, 5–6 cm.
Seeds

light beige.

light beige, flat, 5–6 mm.
2n

= 18.

= 14.

Calochortus weedii

Calochortus simulans
Phenology Flowering late spring–mid summer.
Habitat Sand (often granitic), grasslands to pine forests
Elevation 0–1100 m (0–3600 ft)
Distribution
from FNA
CA; Mexico (Baja California)
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
[BONAP county map]
Discussion

Varieties 4 (3 in the flora).

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

Calochortus simulans is restricted to central San Luis Obispo County.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Key
1. Petals deep yellow.
var. weedii
1. Petals purplish or cream to red-brown.
→ 2
2. Petals purplish, apex rounded; anther apex rounded.
var. intermedius
2. Petals usually cream or red-brown, never purplish, apex squarish; anther apex abruptly apiculate.
var. vestus
Source FNA vol. 26, p. 141. FNA vol. 26, p. 134.
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. uniflorus, C. venustus, C. vestae, 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. 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
Subordinate taxa
C. weedii var. intermedius, C. weedii var. vestus, C. weedii var. weedii
Synonyms Mariposa simulans
Name authority Alph. Wood: Proc. Acad. Nat. Sci. Philadelphia 20: 169. (1868) (Hoover) Munz: Suppl. Calif. Fl., 174. (1968)
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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