OregonFlora species comparison

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Lathyrus japonicus

Lathyrus littoralis

beach pea, maritime pea

gray beach pea, silky beach pea
Habit Plants perennial.
Stems

sprawling, 1–3 dm, basally branched 0–several times.
Leaves

0.5–3 cm;

leaflets 4–6, paired, obovate to oblanceolate, 10–20 × 4–8 mm, densely villous;

tendrils flattened bristles;

stipules ovate to lanceolate, usually > leaflets, bases semi-sagittate.
Inflorescences

4–6-flowered, 3–9 cm.
Flowers

13–15 mm;

corollas 2-colored, dark purple to pink-purple and white.

Lathyrus japonicus

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

Coastal sand dunes, deflation plains. Flowering Apr–Jul. 0–100 m. Est. CA, WA; north to British Columbia. Native.
Source Flora of Oregon, volume 2, page 691
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. 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
Subordinate taxa
L. japonicus var. glaber
Web links 
Unless otherwise noted, all data comes from OregonFlora.



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