Talinum lineare Kunth

Talinum cymbosepalum Rose & Standley, Contr. U. S. Nat Herb. 13: 286. 1911.
A low perennial, 15 cm. high or less, with a thick tuberous root, the fleshy stems branched near the base; leaves fleshy, the blades broadly linear, 2.5-4 cm. long, 1.5-4 mm. broad, flat, acute at the apex; flowers solitary in the axils of the leaves, and crowded at the ends of the stems, the pedicels rather stout, bracted at or below the middle; sepals ovate, 8-9 mm. long, acuminate at the apex, concave; petals 14-16 mm. long; capsule ovoid, 8 mm. long; seeds (immature) 1.2 mm. long.
Type locality: Los Naranjos, Oaxaca. DlsTKim'TioN*: Known only from the type locality.

Talinum tuberosum (Benth.) P. Wilson
Calandrinia tuberosa Benth. PI. Hartw. 9. 1839.
An erect or ascending perennial herb, 0.S-1.5 dm. tall, the branches rather stout, brownish; leaf-blades linear, 1.5-2.2 cm. long, 2-3 mm. broad, rounded or acutish at the apex, narrowed at the base; flowers in the axils of the leaves, solitary or 2 on long slender pedicels, the pedicels longer than the leaves, 2.8-3.5 cm. long, bracted at the middle or above; sepals elliptic-ovate or lanceolate-ovate, 8.5 mm. long, 2.5-3.1 mm. broad, deciduous in fruit; petals obovate, 13-14 mm. long, 5-7.5 mm. broad, rounded at the apex; capsule ovoid, 7 mm. long, 5 mm. in diameter; seeds immature, with several concentric subcircular ridges on the side.
Type locality : Lagos, Jalisco. Distribution : Jalisco and Michoacan.

Talinum lineare H.B.K. Nov. Gen. & Sp. 6; 77. 1823
Claylonia Bonplandiana Kuntze, Rev. Gen. 57. 1891.
A rather low perennial herb, often less than 15 cm. high, with a thick fleshy root, branched from the base, the branches fleshy; leaf-blades linear, 1-3 cm. long, 1.5-2.6 mm. broad, acute, narrowed at the base; flowers usually solitary in the axils of the leaves, the pedicels 8-10 mm. long, bracteate at or above the middle, reflexed in fruit; sepals ovate, 4.S-5.3 mm. long, 3.54.5 mm. broad; petals obovate, 8-9 mm. long, 3.5-4 mm. broad, yellow; stamens 18-20; style-lobes 3, linear; capsule subglobose, 5-5.5 mm. in diameter; seeds black, about 1.2 mm. wide, with several concentric subcircular ridges on the side.
Type locality: Arid regions, between Mexico and Real de Pachuca, near Gasave, in the valley of Tenochtitlan.
Distribution: Central Mexico.