Flora of North America species comparison

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Lathyrus jepsonii

delta tule pea, Jepson's pea, Jepson's sweet pea, tule pea
Habit Herbs perennial, from rhizome, glabrous or pubescent.
Stems

winged, sprawling or climbing, basally branched 0–3 times, 4–25 dm.
Leaves

5–15 cm;

tendrils well developed;

stipules narrowly lanceolate to linear, 10–25 × 2–6 mm, much smaller than leaflets;

leaflets 8–12, scattered, blades lanceolate, 20–60 × 4–20 mm, surfaces glabrous or pubescent.
Inflorescences

5–15-flowered, 6–16 cm.
Flowers

14–17 mm;

calyx lobes unequal, lateral lobes linear-triangular, equal to tube;

corolla pale pink to rose-purple, banner erect, blade longer than claw, wings equal to keel;

ovary glabrous.
Legumes

50–90 × 6–9 mm.

Lathyrus jepsonii
Distribution
from USDA
California
[WildflowerSearch map]
[BONAP county map]
Discussion

Varieties 2 (2 in the flora).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Key
1. Herbs glabrous; of marshes and wetlands.
var. jepsonii
1. Herbs pubescent; of drier upland sites.
var. californicus
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. grimesii, L. hirsutus, L. hitchcockianus, L. holochlorus, L. japonicus, 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
Subordinate taxa
L. jepsonii var. californicus, L. jepsonii var. jepsonii
Name authority Greene: Pittonia 2: 158. (1890) — (as jepsoni)
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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