Phemeranthus marginatus

(Greene) Kiger

Novon 11: 320. 2001.

Conservation concern
Basionym: Talinum marginatum Greene Leafl. Bot. Observ. Crit. 2: 270. 1912
Treatment appears in FNA Volume 4. Treatment on page 493. Mentioned on page 490.
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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.


Phenology: Flowering Jul–Aug.
Habitat: Dry, rocky slopes, ridges, and ledges
Elevation: 1900-2200 m

Discussion

Of conservation concern.

Selected References

None.

Lower Taxa

None.
... more about "Phemeranthus marginatus"
Robert W. Kiger +
(Greene) Kiger +
membranous to chartaceous +
Talinum marginatum +
occasionally dentate;crisped +
oblong-spatulate +, flattened +  and subterete +
0 cm0 mm <br />0 m <br /> (4 cm40 mm <br />0.04 m <br />) +
succulent +
0.1 cm1 mm <br />0.001 m <br /> (?) +  and 0.3 cm3 mm <br />0.003 m <br /> (?) +
ellipsoid +
3 cm30 mm <br />0.03 m <br /> (?) +
Ariz. +  and n Mexico +
1900-2200 m +
not separating +
differentiated +
not separating +
differentiated +
pedicellate +, many-flowered +  and secund +
cleistogamous +
3[-5]-carpelled +
Dry, rocky slopes, ridges, and ledges +
paniculate +  and racemose +
axillary +, terminal +  and lateral +
petiolate +  and sessile +
subrosulate +, subopposite +  and alternate +
plurilocular +
short;elongate +
0 cm0 mm <br />0 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
gray +  and pale white +
fugacious +
connate +  and distinct +
obovate +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Flowering Jul–Aug. +
fleshy +  and woody +
estrophiolate +
brown +  and black +
sculptured +  and smooth +
circular-reniform +  and compressed +
1 cm10 mm <br />0.01 m <br /> (?) +
deciduous +
broadly lanceolate;ovate +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Conservation concern +
with filaments +  and distinct +
suffrutescent +
Talinum sect. Phemeranthus +
Phemeranthus marginatus +
Phemeranthus +
species +
deciduous +
fleshy +  and succulent +