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Lewisia leeana

many flower lewisia, quill-leaf lewisia

Yosemite lewisia

Taproots

gradually ramified distally.

gradually ramified distally.

Stems

spreading or suberect, 8–20 cm.

erect, 0.5–3 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, blade linear to slightly clavate, terete, 0.8–2 cm, margins entire, apex obtuse;

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;

bracts 2–4, proximal in 1 pair, ovate to lanceolate, 2–3 mm, margins entire, 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 to subsessile, disarticulate in fruit;

sepals 2, broadly obovate to broadly ovate, 7–8 mm, scarious at anthesis, margins entire, apex rounded or sometimes emarginate;

petals 5–8, pale rose-pink, oblanceolate to broadly obovate, 13–18 mm, apex obtuse;

stamens 1–15;

stigmas 4.

Capsules

4–5 mm.

Seeds

1–2, 2–2.5 mm, shiny, smooth.

11–15, 2.8–3.5 mm.

2n

= 14.

Lewisia leeana

Lewisia disepala

Phenology Flowering summer. Flowering late winter-mid(-late) spring.
Habitat Open north- or northwest-facing granitic or serpentine slopes or cliffs Granitic formations on rocky, gravelly, or sandy substrate
Elevation 1300-3400 m (4300-11200 ft) 1900-2600 m (6200-8500 ft)
Distribution
from FNA
CA; OR
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
[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.)

Of conservation concern.

Lewisia disepala is known only from scattered localities in the southern Sierra Nevada.

(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. kelloggii, 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. rediviva var. yosemitana
Name authority (Porter) B. L. Robinson: in A. Gray et al., Syn. Fl. N. Amer. 1: 269. (1897) Rydberg: in N. L. Britton et al., N. Amer. Fl. 21: 328. (1932)
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