Phemeranthus marginatus (Greene) Kiger

Plants to 0.5 dm; roots tuberous. Stems ± erect, simple. Leaves sessile but strongly contracted at or below middle and appearing petiolate; blade proximally subterete, distally flattened and oblong-spatulate, to 4 cm. Inflorescences cymose, slightly overtopped by to usually overtopping leaves; peduncle scapelike, to 2.5 cm. Flowers: sepals deciduous, broadly lanceolate to ovate, 2-3 mm; petals yellow, obovate, 3-5 mm; stamens 5; stigma 1, subcapitate. Capsules ellipsoid, 3 mm. Seeds with arcuate ridges, 1 mm.

Ariz.; n Mexico.

Flowering Jul-Aug.

Dry, rocky slopes, ridges, and ledges; of conservation concern; 1900-2200m.

Talinum marginatum Greene, Leafl. Bot. Observ. Crit. 2: 270. 1912

Talinum marginatum Greene, Leaflets 2: 270. 1912
A low herb, 2 5 cm. high, with I much Battened, a1 I
dried specimi as, oblong-spatulate, 0.8-2 em, long, 1 2 mm. broad; petiole equaling or Bhorti i
than the blade; inflorescence a few-flowered cyme, Bhorti i than the leaves, bracted at the forks;
I mm. long; flowo aoi ten; corolla " yellow"; capsule ellipsoid, 3 mm,
long, 1.3 mm. in diameter; eed round ubrenifonn, 0.9 mm. long, 0.9 mm, wide, blackish-
. marked uv fa ibcirculai lines.
1 1 ■ , Tepii .
I >I fPMll I :
[6. Talinum napiforme DC. Prodr. 3: 357. 1828.
Claytonia tube* Prodr. 3: 1ST, ... lynonym.
Clayton i 'i A fleshy perennial herb, 5-15 cm. high, with tuberous root covered with dark-brown scales, the stem very short; leaf-blades terete, 3-8 cm. long, 2-4 mm. thick, flattened at the base, sessile and clustered near the top of the root; inflorescence a cyme, bracted at the forks, longer than the leaves; peduncles 2-3 cm. or more long; pedicels slender; sepals broadly ovate to nearly orbicular, 3-4 mm. long, 2.5 mm. broad, acutish; petals elliptic-obovate or obovate, 5-7 mm. long, about 2 mm. broad, "white veined with purple"; stamens 5; stigma capitate; capsule ellipsoid or somewhat ovoid, about 5 mm. long, 3-3.9 mm. in diameter, obtusely triquetrous; seeds 0.8 mm. wide with several concentric subcircular ridges on the side.
Type locality: Mexico.
Distribution: Mexico.