Difference between revisions of "Phemeranthus mengesii"

Revision as of 21:37, 16 December 2019

Plants to 4 dm; roots elongate, fleshily woody. Stems ± erect, usually branching. Leaves sessile; blade terete, to 7 cm. Inflorescences cymose, much overtopping leaves; peduncle scapelike, to 20 cm. Flowers: sepals deciduous, ovate, 3–4 mm; petals pink to rose-purple, obovate, 9–15 mm; stamens (40–)50–100; stigma 1, subcapitate. Capsules subglobose, sometimes trigonous, 3–4 mm. Seeds without arcuate ridges, 0.8–1 mm. 2n = 24, 48.

Phenology: Flowering Apr–Oct.
Habitat: Woods, glades, barrens, cliffs, outcrops, rocky banks, sandstone, granite, gneiss, rarely limestone
Elevation: 100-1000 m

Ala., Ga., N.C., S.C., Tenn., Va.

Discussion

Most populations of Phemeranthus mengesii are diploid but a few scattered in western Georgia are tetraploid, probably the result of autopolyploidy (W. H. Murdy and M. E. B. Carter 2001).

Selected References

Carter, M. E. B. and W. H. Murdy. 1986. Divergence for sexual and asexual reproductive characters in Talinum mengesii (Portulacaceae). Bull. Torrey Bot. Club 113: 259–267.

Montgomery, F. and D. Blake. 1969. Talinum mengesii Wolf from a new physiographic province. Bull. Torrey Bot. Club 96: 719.

Lower Taxa

None.

@@ Line 10: / Line 10: @@
 |name=Talinum mengesii
 |authority=W. Wolf
+|rank=species
 |publication_title=Amer. Midl. Naturalist
 |publication_place=6: 153. 1920
@@ Line 43: / Line 44: @@
 -->{{#Taxon:
 name=Phemeranthus mengesii
-|author=
 |authority=(W. Wolf) Kiger
 |rank=species
@@ Line 58: / Line 58: @@
 |publication year=2001
 |special status=
-|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V4/V4_1002.xml
+|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V4/V4_1002.xml
 |genus=Phemeranthus
 |species=Phemeranthus mengesii