Flora of North America species comparison

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Calochortus weedii

Calochortus amoenus

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

purple fairy-lantern
Habit Plants usually bulbose; bulb coat fibrous-reticulate.
Stems

slender, usually branching, 3–9 dm.

branching, 2–5 dm.
Leaves

basal withering, 2–4 dm;

blade linear to lanceolate.

basal persistent, 2–5 dm;

blade linear, flat.
Inflorescences

2–6-flowered;

bracts resembling distal cauline leaves.

2–many-flowered.
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.

nodding;

perianth closed at apex, globular;

sepals spreading, lanceolate, 10–15 mm, glabrous, apex acute;

petals rose, elliptic-obovate, 16–25 mm, margins sparsely ciliate and hairy;

glands ± depressed, with 4–5 ciliate membranes, proximal membrane ± equaling petal width;

filaments equaling anthers;

anthers oblong, apex obtuse.
Capsules

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

nodding, narrowly winged, oblong, 2–3 cm, apex obtuse or acute.
Seeds

light beige.

dark brown, irregular.
2n

= 18.

= 20.

Calochortus weedii

Calochortus amoenus
Phenology Flowering mid spring–mid summer.
Habitat Grassy slopes in partial shade
Elevation 500–1500 m (1600–4900 ft)
Distribution
from FNA
CA; Mexico (Baja California)
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
Discussion

Varieties 4 (3 in the flora).

(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. 122.
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. 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. weedii, C. westonii
Subordinate taxa
C. weedii var. intermedius, C. weedii var. vestus, C. weedii var. weedii
Name authority Alph. Wood: Proc. Acad. Nat. Sci. Philadelphia 20: 169. (1868) 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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