Phemeranthus spinescens

(Torrey) Hershkovitz

Taxon 46: 222. 1997.

IllustratedEndemic
Basionym: Talinum spinescens Torrey in C. Wilkes et al., U.S. Expl. Exped. 17: 250. 1874
Treatment appears in FNA Volume 4. Treatment on page 495. Mentioned on page 489, 490, 494.

Plants to 3 dm; roots elongate, woody. Stems erect to ascending, simple or branching, bearing ± persistent, straight, spinelike, 5 mm or more, proximal portions of midribs of old leaves, suffrutescent. Leaves petiolate; blade subterete, to 2.5 cm, base attenuate. Inflorescences cymose, overtopping leaves; peduncle scapelike, to 20 cm. Flowers: sepals deciduous, orbiculate to ovate, to 3 mm; petals pale to bright rose or purplish red, elliptic to obovate, to 10 mm; stamens 20–30; stigma 1, subcapitate. Capsules ovoid-globose, 5 mm. Seeds without arcuate ridges, 1.2 mm.


Phenology: Flowering May–Jul.
Habitat: Cliffs, ledges, and outcrops in basaltic soils
Elevation: 700-1100 m

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Phemeranthus spinescens"
Robert W. Kiger +
(Torrey) Hershkovitz +
membranous to chartaceous +
attenuate +
Talinum spinescens +
occasionally dentate;crisped +
subterete +
0 cm0 mm <br />0 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
succulent +
0.1 cm1 mm <br />0.001 m <br /> (?) +  and 0.3 cm3 mm <br />0.003 m <br /> (?) +
ovoid-globose +
5 cm50 mm <br />0.05 m <br /> (?) +
Oreg. +  and Wash. +
700-1100 m +
not separating +
differentiated +
not separating +
differentiated +
pedicellate +, many-flowered +  and secund +
cleistogamous +
3[-5]-carpelled +
Cliffs, ledges, and outcrops in basaltic soils +
paniculate +  and racemose +
axillary +, terminal +  and lateral +
subrosulate +, subopposite +  and alternate +
plurilocular +
short;elongate +
0 cm0 mm <br />0 m <br /> (20 cm200 mm <br />0.2 m <br />) +
gray +  and pale white +
pale +  and bright rose or purplish red +
fugacious +
connate +  and distinct +
elliptic +  and obovate +
0 cm0 mm <br />0 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Flowering May–Jul. +
elongate +
estrophiolate +
brown +  and black +
sculptured +  and smooth +
circular-reniform +  and compressed +
1.2 cm12 mm <br />0.012 m <br /> (?) +
deciduous +
orbiculate;ovate +
0 cm0 mm <br />0 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Illustrated +  and Endemic +
with filaments +  and distinct +
20 +  and 30 +
branching +  and simple +
suffrutescent +
erect +  and ascending +
Talinum sect. Phemeranthus +
Phemeranthus spinescens +
Phemeranthus +
species +
deciduous +
fleshy +  and succulent +