The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

three leaf bitterroot, three-leaf lewisia

Taproots

cormlike, globose.

Stems

lax to erect, 3–11 cm.

Leaves

basal leaves withering before anthesis, ± sessile, blade narrowly linear to filiform, subcylindric, 1–6 cm, margins entire, apex obtuse to subacute;

cauline leaves 2–3(–5), paired or whorled, blade similar to basal leaves, 10–50 mm.

Inflorescences

usually subumbellate to paniculate cymes, (1–)3–25-flowered;

bracts 2 per flower, ovate to lanceolate, 1–5 mm, margins entire, apex obtuse to subacute.

Flowers

pedicellate, not disarticulate in fruit;

sepals 2, ovate, 2–4 mm, herbaceous, margins entire, apex rounded to obtuse;

petals 5–9, white or pinkish with darker veins, elliptic-obovate to elliptic-ovate, 4–7 mm;

stamens (3–)4(–5);

stigmas 3–5;

pedicel 5–15(–25) mm.

Capsules

3–4 mm.

Seeds

8–25, 1 mm, shiny, shallowly tuberculate.

Lewisia triphylla

Phenology Flowering late spring–summer.
Habitat Open places, sandy to gravelly soils, sometimes alpine meadows, usually near melting snow
Elevation 1500-3300 m (4900-10800 ft)
Distribution
from FNA
CA; CO; ID; MT; NV; OR; UT; WA; WY; BC
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 4, p. 484.
Parent taxa Portulacaceae > Lewisia
Sibling taxa
L. brachycalyx, L. cantelovii, L. columbiana, L. congdonii, L. cotyledon, L. disepala, L. kelloggii, L. leeana, L. longipetala, L. maguirei, L. nevadensis, L. oppositifolia, L. pygmaea, L. rediviva, L. stebbinsii
Synonyms Claytonia triphylla, Erocallis triphylla, Oreobroma triphyllum
Name authority (S. Watson) B. L. Robinson: in A. Gray et al., Syn. Fl. N. Amer. 1: 269. (1897)
Web links