Flora of North America species comparison

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Calochortus umpquaensis

Calochortus bruneaunis
Calochortus umpquaensis

Umpqua mariposa-lily
Calochortus bruneaunis

Bruneau mariposa lily, pinyon mariposa
Habit Plants usually bulbose; bulb coat, when present, membranous.
Stems

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

usually not branching or twisted, 1–4 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, 1–2 dm;

blade linear.
Inflorescences

1–4-flowered;

bracts 2–4 cm.
Flower(s)

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 with dark red or purple blotch near base, lanceolate, 1–4 cm, usually glabrous, apex acuminate;

petals white tinged with lilac, with longitudinal median green stripe on abaxial surface and dark red or purple crescent distal to gland, narrowly obovate, 2–4 cm, ± glabrous;

glands surrounded by yellow border, round, depressed, surrounded by conspicuously fringed membrane, densely covered with short, unbranched or distally branching hairs;

filaments 5–6 mm;

anthers yellow, blue, or maroon, oblong, 5–7 mm, apex obtuse.
Capsules

nodding, 3–5.4 cm.

erect, linear-lanceoloid, angled, 3–7 cm, apex acuminate.
Seeds

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

yellow, flat.
2n

= 20.

= 14.

Calochortus umpquaensis

Calochortus bruneaunis
Phenology Flowering late spring–mid summer. Flowering late spring–summer.
Habitat Grassland-forest ecotones in serpentine-derived soils Dry brushy, grassy slopes, flats, pinyon-juniper woodlands
Elevation 300–500 m (1000–1600 ft) 900–3000 m (3000–9800 ft)
Distribution
from FNA
OR
[WildflowerSearch map]
[BONAP county map]
from FNA
CA; ID; MT; NV; OR; UT
[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.
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. 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
Synonyms C. nuttallii var. bruneaunis
Name authority Fredricks: Syst. Bot. 14: 12, figs. 1, 2, 3f–j, 4, 5. (1989) A. Nelson & J. F. Macbride: Bot. Gaz. 55: 372. (1913)
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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