OregonFlora species comparison

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Lathyrus japonicus

Lathyrus rigidus

beach pea, maritime pea

rigid pea
Habit Plants perennial.
Stems

erect, 1–3 dm, basally branched 5–10 times.
Leaves

1–3 cm;

leaflets 4–8, paired or not, lanceolate, 15–30 × 5–10 mm;

surfaces glabrous;

tendrils bristle-like, usually < 1 cm;

stipules lanceolate; as large as terminal leaflets, bases semi-sagittate.
Inflorescences

2–3-flowered, 4–9 cm.
Flowers

petals lilac to white, 12–18 mm.

Lathyrus japonicus

Lathyrus rigidus
Distribution
[WildflowerSearch map]
[BONAP county map]
[WildflowerSearch map]
[BONAP county map]
Discussion

Basalt scablands, sagebrush. Flowering Apr–Jun. 800–1600 m. BR, BW, Lava, Owy. CA, ID, NV. Native.
Source Flora of Oregon, volume 2, page 693
Steven Broich
Sibling taxa
L. angulatus, L. aphaca, L. brownii, L. delnorticus, L. hirsutus, L. holochlorus, L. lanszwertii, L. latifolius, L. littoralis, L. nevadensis, L. nissolia, L. odoratus, L. palustris, L. pauciflorus, L. polyphyllus, L. rigidus, L. sativus, L. sphaericus, L. sulphureus, L. sylvestris, L. tingitanus, L. torreyi, L. tracyi, L. vernus, L. vestitus
L. angulatus, L. aphaca, L. brownii, L. delnorticus, L. hirsutus, L. holochlorus, L. japonicus, L. lanszwertii, L. latifolius, L. littoralis, L. nevadensis, L. nissolia, L. odoratus, L. palustris, L. pauciflorus, L. polyphyllus, L. sativus, L. sphaericus, L. sulphureus, L. sylvestris, L. tingitanus, L. torreyi, L. tracyi, L. vernus, L. vestitus
Subordinate taxa
L. japonicus var. glaber
Web links 
Unless otherwise noted, all data comes from OregonFlora.



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