Tetragonia tetragonioides

(Pallas) Kuntze

Revis. Gen. Pl. 1: 264. 1891.

Basionym: Demidovia tetragonioides Pallas Enum. Hort. Demidof, 150, plate 1. 1781
Synonyms: Tetragonia expansa Murray
Treatment appears in FNA Volume 4. Treatment on page 78.

Stems mat-forming, 3–14 dm. Leaves 1–10 × 5–5 cm; petiole 1–3 cm, winged; blade pale green abaxially, dark green adaxially, midvein and lateral veins raised abaxially, ovate-rhombic to triangular, base truncate, papillate with larger papillae abaxially. Inflorescences: peduncle to 2 mm. Flowers sometimes unisexual; calyx lobes spreading, yellow, ovate to half orbiculate, 2 mm; stamens clustered or scattered. Fruits turbinate, 8–12 mm; horns 4–6. Seeds smooth. 2n = 32.

Phenology: Flowering spring–fall.
Habitat: Sand dunes, bluffs, margins of coastal wetlands, disturbed areas
Elevation: 0-500 m


V4 159-distribution-map.gif

Introduced; Calif., Conn., Fla., Mass., N.C., Oreg., Pa., W.Va., Wis., Mexico, South America, e Asia, Pacific Islands (New Zealand), Australia.


Tetragonia tetragonioides is cultivated as a vegetable.

Selected References


Lower Taxa

... more about "Tetragonia tetragonioides"
Nancy J. Vivrette +
(Pallas) Kuntze +
Demidovia tetragonioides +
Calif. +, Conn. +, Fla. +, Mass. +, N.C. +, Oreg. +, Pa. +, W.Va. +, Wis. +, Mexico +, South America +, e Asia +, Pacific Islands (New Zealand) +  and Australia. +
0-500 m +
Sand dunes, bluffs, margins of coastal wetlands, disturbed areas +
Flowering spring–fall. +
Revis. Gen. Pl. +
Tetragonia expansa +
Tetragonia tetragonioides +
Tetragonia +
species +