Flora of North America species comparison

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Calochortus invenustus

Calochortus weedii

plain mariposa, plain mariposa lily

foothill mariposa lily, Weed's mariposa, Weed's mariposa lily
Habit Plants usually bulbose; bulb coat, when present, membranous. Plants usually bulbose; bulb coat fibrous-reticulate.
Stems

slender, usually not branching or twisted, 2–5 dm.

slender, usually branching, 3–9 dm.
Leaves

basal withering, 1–2 dm;

blade linear.

basal withering, 2–4 dm;

blade linear to lanceolate.
Inflorescences

subumbellate, 1–5-flowered;

bracts 2–5 cm.

2–6-flowered;

bracts resembling distal cauline leaves.
Flowers

erect;

perianth open, campanulate;

sepals lanceolate-ovate, 2–3 cm, apex acuminate;

petals white or dull lavender to purplish, with longitudinal median green stripe on adaxial surface and sometimes purplish blotch proximal to gland, cuneate to obovate, 2–4 cm, with a few short hairs near gland, apex obtuse to apiculate;

glands ± round, slightly depressed, small, surrounded by conspicuously fringed membrane, densely covered with short, distally branching hairs;

filaments 6–7 mm;

anthers purplish or yellowish, oblong, 7–8 mm, apex obtuse.

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.
Capsules

erect, lanceoloid-linear, angled, 5–7 cm, apex acute.

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

flat.

light beige.
2n

= 14.

= 18.

Calochortus invenustus

Calochortus weedii
Phenology Flowering late spring–late summer.
Habitat Dry soil, usually granitic, usually in montane coniferous forests
Elevation 1500–3000 m (4900–9800 ft)
Distribution
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
from FNA
CA; Mexico (Baja California)
[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. 137. FNA vol. 26, p. 141.
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. 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. 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
Subordinate taxa
C. weedii var. intermedius, C. weedii var. vestus, C. weedii var. weedii
Name authority Greene: Pittonia 2: 71. (1890) Alph. Wood: Proc. Acad. Nat. Sci. Philadelphia 20: 169. (1868)
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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