Flora of North America species comparison

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Lathyrus grimesii

grimes' pea, grimes' vetchling
Habit Herbs perennial, from rhizomelike rootstock, glabrous.
Stems

angled, erect, branched 0–2 times basally or from proximal nodes, 0.5–2 dm.
Leaves

1–2 cm;

tendrils reduced to bristles;

stipules lanceolate to linear, 5–15 × 1–5 mm, much smaller than leaflets;

leaflets 4 or 6, paired, blades ovate to obovate, 10–25 × 5–10 mm, surfaces glabrous.
Inflorescences

2–4-flowered, 4–6 cm.
Flowers

14–17 mm;

calyx lobes unequal, lateral lobes deltate, shorter than tube;

corolla bicolored lavender and white, banner erect, blade longer than claw, wings longer than keel, 1–3 mm;

ovary glabrous.
Legumes

25–30 × 8–10 mm, stipitate.

Lathyrus grimesii
Phenology Flowering Jun–Jul.
Habitat Talus slopes in sagebrush com­munities.
Elevation 1800–2600 m. (5900–8500 ft.)
Distribution
from FNA
NV
[BONAP county map]
Discussion

Lathyrus grimesii is known only from the northern Independence Range and southern Bull Run Mountains in Elko County.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 11.
Parent taxa Fabaceae > subfam. Faboideae > Lathyrus
Sibling taxa
L. angulatus, L. aphaca, L. biflorus, L. brachycalyx, L. brownii, L. cicera, L. decaphyllus, L. delnorticus, L. eucosmus, L. glandulosus, L. graminifolius, L. hirsutus, L. hitchcockianus, L. holochlorus, L. japonicus, L. jepsonii, L. laetivirens, L. lanszwertii, L. latifolius, L. littoralis, L. nevadensis, L. nissolia, L. ochroleucus, L. odoratus, L. palustris, L. pauciflorus, L. polyphyllus, L. pratensis, L. pusillus, L. rigidus, L. sphaericus, L. splendens, L. sulphureus, L. sylvestris, L. tingitanus, L. torreyi, L. tracyi, L. tuberosus, L. venosus, L. vestitus
Name authority Barneby in A. Cronquist et al.: Intermount. Fl. 3(B): 208, plate [p. 211], fig. s.n. [center right]. (1989)
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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