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Lewisia leeana

many flower lewisia, quill-leaf lewisia

Kellogg's lewisia

Taproots

gradually ramified distally.

gradually ramified distally.

Stems

spreading or suberect, 8–20 cm.

erect, 0.5–5 cm.

Leaves

basal leaves evergreen, sessile, blade linear, ± terete, 1.5–6 cm, margins entire, apex obtuse;

cauline leaves alternate, intergrading with bracts, blade narrowly lanceolate, 5 mm, margins entire, apex acute.

basal leaves withering at or soon after anthesis, ± sessile or abruptly or gradually narrowed into broad petiole, blade spatulate to orbiculate, flattened, 1–6.5(–9) cm, margins entire, apex obtuse, truncate, or retuse;

cauline leaves absent.

Inflorescences

paniculate cymes, 50–70(–100)-flowered;

bracts several, alternate proximally, 2 at each flowering node distally, ovate to narrowly lanceolate, 2–5 mm, margins glandular-toothed, apex acute.

with flowers borne singly on peduncles;

bracts 2, ovate to oblong, 5–12 mm, margins glandular-toothed, apex acute.

Flowers

pedicellate, not disarticulate in fruit;

sepals 2, suborbiculate, 1–4 mm, herbaceous at anthesis, margins glandular-toothed, apex truncate;

petals 5–8, magenta, lavender, or white with or without magenta veins, obovate, 5–7 mm;

stamens 4–8;

stigmas 2;

pedicel 3–15 mm.

sessile, not disarticulate in fruit;

sepals 2, decussate with bracts, resembling 4-merous calyx, ovate-lanceolate to oblanceolate, 5–12 mm, herbaceous, margins irregularly toothed, sometimes glandular, apex acute;

petals (5–)6–9(–12), white, obovate to oblanceolate, 10–15 mm;

stamens 8–15(–26);

stigmas 3–5.

Capsules

4–5 mm.

8 mm.

Seeds

1–2, 2–2.5 mm, shiny, smooth.

12–15, 2 mm, minutely tuberculate.

2n

= 14.

Lewisia leeana

Lewisia kelloggii

Phenology Flowering summer. Flowering late spring–early summer.
Habitat Open north- or northwest-facing granitic or serpentine slopes or cliffs Sandy or gravelly, usually granitic or volcanic substrates, near melting snow
Elevation 1300-3400 m (4300-11200 ft) 1300-2400 m (4300-7900 ft)
Distribution
from FNA
CA; OR
[WildflowerSearch map]
[BONAP county map]
from FNA
CA; ID
[BONAP county map]
Discussion

Lewisia leeana is known only from northwestern California and southwesternmost Oregon, and a disjunct population in Fresno County, California. As discussed by B. Mathew (1989b), Lewisia ×whiteae Purdy (California) is a natural, constantly recurring hybrid between L. leeana and L. cotyledon. In their narrowly spatulate leaves, the hybrids resemble L. columbiana out of range (cf. L. T. Dempster 1993); the flowers are reportedly more deeply colored.

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

Lewisia kelloggii is known only from the central Sierra Nevada, California, and a disjunct population in the Sawtooth Range, Idaho.

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

Source FNA vol. 4, p. 481. FNA vol. 4, p. 481.
Parent taxa Portulacaceae > Lewisia Portulacaceae > Lewisia
Sibling taxa
L. brachycalyx, L. cantelovii, L. columbiana, L. congdonii, L. cotyledon, L. disepala, L. kelloggii, L. longipetala, L. maguirei, L. nevadensis, L. oppositifolia, L. pygmaea, L. rediviva, L. stebbinsii, L. triphylla
L. brachycalyx, L. cantelovii, L. columbiana, L. congdonii, L. cotyledon, L. disepala, L. leeana, L. longipetala, L. maguirei, L. nevadensis, L. oppositifolia, L. pygmaea, L. rediviva, L. stebbinsii, L. triphylla
Synonyms Calandrinia leeana, L. eastwoodiana, Oreobroma leeanum L. kelloggii subsp. hutchisonii, L. yosemitana, Oreobroma kelloggii, Oreobroma yosemitanum
Name authority (Porter) B. L. Robinson: in A. Gray et al., Syn. Fl. N. Amer. 1: 269. (1897) K. Brandegee: Proc. Calif. Acad. Sci., ser. 2, 4: 88, plate 4. (1894)
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