Flora of North America species comparison

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Calochortus umpquaensis

Calochortus apiculatus
Calochortus umpquaensis

Umpqua mariposa-lily

Baker's mariposa-lily, point mariposa-lily, point-tip mariposa lily, pointedtip mariposa lily, three-spot mariposa-lily
Stems

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

usually not branching, straight, scapelike, stout, 1–3 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 1–3 dm × 5–15 mm, usually shorter than stem.
Inflorescences

subumbellate, 1–5-flowered;

bracts 2–several, lanceolate to linear, unequal, 1–5 cm, apex acuminate;

peduncle stout, becoming strongly deflexed in fruit.
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 or spreading;

perianth yellowish white, sometimes streaked with purple, open, campanulate;

sepals shorter than petals;

petals oblong-lanceolate, clawed, adaxial surface densely hairy, margins fringed laterally and moderately bearded on proximal 1/2 distal to claw with slender, flexuous hairs, apex acute or obtuse;

glands short, nearly round, depressed, typically bordered proximally by dark-colored, deeply fringed membrane, adaxial surface covered with short, thick hairs;

filaments shorter than or equaling anthers;

anthers lanceolate, apex long-apiculate.
Capsules

nodding, 3–5.4 cm.

nodding, 3-winged, ellipsoid, apex acute.
Seeds

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

light brown, irregular.
2n

= 20.

= 20.

Calochortus umpquaensis

Calochortus apiculatus
Phenology Flowering late spring–mid summer. Flowering summer.
Habitat Grassland-forest ecotones in serpentine-derived soils Dry, rocky slopes in open, coniferous woods
Elevation 300–500 m (1000–1600 ft) 600–2400 m (2000–7900 ft)
Distribution
from FNA
OR
[WildflowerSearch map]
[BONAP county map]
from FNA
ID; MT; WA; AB; BC
[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. 127.
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. 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
Name authority Fredricks: Syst. Bot. 14: 12, figs. 1, 2, 3f–j, 4, 5. (1989) Baker: J. Linn. Soc., Bot. 14: 305. (1874)
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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