Flora of North America species comparison

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Calochortus umpquaensis

Calochortus pulchellus
Calochortus umpquaensis

Umpqua mariposa-lily

Mount Diablo fairy-lantern, Mt. Diablo fairy-lantern
Stems

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

usually branching distal to base, 1–3 dm, not glaucous.
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 persistent, 1–4 dm;

blade green, lanceolate, tapering at base, flat, not glaucous.
Inflorescences

1–5-flowered.
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.

nodding;

perianth closed at apex, ± globular;

sepals spreading, yellow-green, ovate to lanceolate, 2–3 cm, glabrous, apex acuminate;

petals pale yellow, lanceolate, 3–5 cm, conspicuously fringed with short, thick hairs, adaxial surface glabrous or sparsely hairy, apex obtuse;

glands deeply depressed, bordered distally by long, slender hairs;

filaments 6–8 mm;

anthers oblong, 3–5 mm, apex obtuse or acute.
Capsules

nodding, 3–5.4 cm.

nodding, winged, ellipsoid-oblong, 2–4 cm.
Seeds

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

dark brown, irregular.
2n

= 20.

= 20.

Calochortus umpquaensis

Calochortus pulchellus
Phenology Flowering late spring–mid summer. Flowering late spring–early summer.
Habitat Grassland-forest ecotones in serpentine-derived soils Open places in woods, chaparral, typically on serpentine
Elevation 300–500 m (1000–1600 ft) 200–800 m (700–2600 ft)
Distribution
from FNA
OR
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
[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.)

Of conservation concern.

Calochortus pulchellus is known from Mt. Diablo, Contra Costa County.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 26, p. 130. FNA vol. 26, p. 123.
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. 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. 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 Cyclobothra pulchella
Name authority Fredricks: Syst. Bot. 14: 12, figs. 1, 2, 3f–j, 4, 5. (1989) (Bentham) Alph. Wood: Proc. Acad. Nat. Sci. Philadelphia 20: 168. (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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