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Lewisia leeana

many flower lewisia, quill-leaf lewisia

Maguire's lewisia

Taproots

gradually ramified distally.

gradually ramified distally.

Stems

spreading or suberect, 8–20 cm.

spreading to suberect, 1.5–2 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 narrowly oblanceolate, somewhat flattened, 1–2 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.

racemose cymes, 2–3-flowered, sometimes with flowers borne singly;

bracts 5, proximalmost 3 in whorl, distalmost 2 opposite, subtending 2d (and 3d) flowers, oblong to oblong-obovate, 3–5 mm, apex obtuse.

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.

pedicellate, disarticulate in fruit;

sepals 3–4, white to pinkish, 8–12 mm, scarious at anthesis, margins entire, apex obtuse;

petals 7–9, white to pinkish, oblanceloate, 8–12 mm;

stamens 7–9;

stigmas 4–6;

pedicel 3–9 mm.

Capsules

4–5 mm.

7–10 mm.

Seeds

1–2, 2–2.5 mm, shiny, smooth.

5–10, 1.5–2.5 mm, smooth.

2n

= 14.

Lewisia leeana

Lewisia maguirei

Phenology Flowering summer. Flowering summer.
Habitat Open north- or northwest-facing granitic or serpentine slopes or cliffs Open, south-facing slopes on gravelly clay limestone-derived substrates
Elevation 1300-3400 m (4300-11200 ft) 2200 m (7200 ft)
Distribution
from FNA
CA; OR
[WildflowerSearch map]
[BONAP county map]
from FNA
NV
[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 maguirei is known only from the Quinn Canyon Range, Nye County.

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

Source FNA vol. 4, p. 481. FNA vol. 4, p. 482.
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. kelloggii, L. leeana, L. longipetala, L. nevadensis, L. oppositifolia, L. pygmaea, L. rediviva, L. stebbinsii, L. triphylla
Synonyms Calandrinia leeana, L. eastwoodiana, Oreobroma leeanum
Name authority (Porter) B. L. Robinson: in A. Gray et al., Syn. Fl. N. Amer. 1: 269. (1897) A. H. Holmgren: Leafl. W. Bot. 7: 136. (1954)
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