The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links
Calochortus umpquaensis

Umpqua mariposa-lily

Leichtlin's mariposa lily, smokey mariposa

Habit Plants bulbose; bulb coat membranous.
Stems

not branching, straight, often scapelike, 2–3 dm, glabrous or glaucous.

not branching, 2–6 dm.

Leaves

basal solitary, clasping;

blade narrowly lanceolate, hairy, adaxially hispid, abaxially glabrous, sometimes glaucous. Inflorescences 1–several-flowered;

bracts 2, suboppo-site, narrowly lanceolate.

basal withering, 1–1.5 dm;

blade linear.

Inflorescences

subumbellate, 1–5-flowered;

bracts paired.

Flowers

erect;

perianth open, campanulate;

sepals lanceolate-acuminate, ca. 2 cm;

petals white to cream, with dark purple-black, pentagonal to lunate blotch, broadly oblong to obovate, 3.5 cm, bearded, adaxial surface typically minutely papillose, margins erose;

glands transversely oblong-lunate, slightly depressed, with 0.7–1.4 mm-wide band of short dendritic hairs distally, hairs surrounded by lime-green coloration and purple striations;

anthers lanceolate, apex acuminate.

erect;

perianth open, campanulate;

sepals lanceolate-ovate, 1–2 cm;

petals white to smoky blue, often tinged pink, with red to black blotch distal to gland, cuneate to obovate, 1–4 cm, with a few short hairs near gland, apex rounded;

glands ± ovate, slightly depressed, with dense, short hairs;

filaments 5 mm;

anthers linear-oblong, 5–7 mm, base sagittate.

Capsules

nodding, 3–5.4 cm.

erect, lanceoloid-linear, 3–6 cm.

Seeds

2.8–3.5 mm, with inflated bulbous crest and hollow lateral ridge.

light beige, flat, inflated.

2n

= 20.

= 14, 28.

Calochortus umpquaensis

Calochortus leichtlinii

Phenology Flowering late spring–mid summer. Flowering late spring–late summer.
Habitat Grassland-forest ecotones in serpentine-derived soils Open gravelly places, montane coniferous forests, open chaparral
Elevation 300–500 m (1000–1600 ft) 1300–4000 m (4300–13100 ft)
Distribution
from FNA
OR
[WildflowerSearch map]
[BONAP county map]
from FNA
CA; NV; OR
[WildflowerSearch map]
[BONAP county map]
Discussion

Of conservation concern.

Calochortus umpquaensis is known only from Watson and Ace Williams mountains on both sides of the Little River, Douglas County.

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

Source FNA vol. 26, p. 130. 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. 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. 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. 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 Mariposa leichtlinii
Name authority Fredricks: Syst. Bot. 14: 12, figs. 1, 2, 3f–j, 4, 5. (1989) Hooker f.: Bot. Mag. 96: plate 5862. (1870)
Web links