Difference between revisions of "Phemeranthus rugospermus"
Novon 11: 320. 2001.
Common names: Rough-seeded fameflower
Basionym: Talinum rugospermum Holzinger
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>to 2.5 dm; roots elongate, fleshily woody. <b>Stems</b> ± erect, simple or sometimes branching. <b>Leaves</b> sessile; blade terete, to 6 cm. <b>Inflorescences</b> cymose, much overtopping leaves; peduncle scapelike, to 15 cm. <b>Flowers</b>: sepals deciduous, ovate, 4 mm; petals pink to magenta, ovate to obovate, sometimes mucronulate, 6.5–8 mm; stamens 12–28; stigmas 3, spreading widely, linear, 1/2–1/3 as long as styles. <b>Capsules</b> subglobose, 4 mm. <b>Seeds</b> without arcuate ridges, 1.2 mm, corrugate-rugulose overall. <b>2n</b> = 24.</span><!-- |
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| + | |phenology=Flowering May–Aug. | ||
|habitat=Sand or sandy soils, dunes, mounds, flats, banks, ridges, edges of igneous or metamorphic rock outcrops, along or near watercourses | |habitat=Sand or sandy soils, dunes, mounds, flats, banks, ridges, edges of igneous or metamorphic rock outcrops, along or near watercourses | ||
|elevation=0-500 m | |elevation=0-500 m | ||
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|basionyms=Talinum rugospermum | |basionyms=Talinum rugospermum | ||
|family=Portulacaceae | |family=Portulacaceae | ||
| + | |phenology=Flowering May–Aug. | ||
|habitat=Sand or sandy soils, dunes, mounds, flats, banks, ridges, edges of igneous or metamorphic rock outcrops, along or near watercourses | |habitat=Sand or sandy soils, dunes, mounds, flats, banks, ridges, edges of igneous or metamorphic rock outcrops, along or near watercourses | ||
|elevation=0-500 m | |elevation=0-500 m | ||
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|publication year=2001 | |publication year=2001 | ||
|special status= | |special status= | ||
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|genus=Phemeranthus | |genus=Phemeranthus | ||
|species=Phemeranthus rugospermus | |species=Phemeranthus rugospermus | ||
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-->[[Category:Treatment]][[Category:Phemeranthus]] | -->[[Category:Treatment]][[Category:Phemeranthus]] | ||
Revision as of 13:55, 27 July 2019
Plants to 2.5 dm; roots elongate, fleshily woody. Stems ± erect, simple or sometimes branching. Leaves sessile; blade terete, to 6 cm. Inflorescences cymose, much overtopping leaves; peduncle scapelike, to 15 cm. Flowers: sepals deciduous, ovate, 4 mm; petals pink to magenta, ovate to obovate, sometimes mucronulate, 6.5–8 mm; stamens 12–28; stigmas 3, spreading widely, linear, 1/2–1/3 as long as styles. Capsules subglobose, 4 mm. Seeds without arcuate ridges, 1.2 mm, corrugate-rugulose overall. 2n = 24.
Phenology: Flowering May–Aug.
Habitat: Sand or sandy soils, dunes, mounds, flats, banks, ridges, edges of igneous or metamorphic rock outcrops, along or near watercourses
Elevation: 0-500 m
Distribution
Ill., Ind., Iowa, Kans., La., Minn., Nebr., Tex., Wis.
Discussion
Within the overall area of its distribution, Phemeranthus rugospermus is nowhere abundant, its occurrence being everywhere spotty and localized. According to T. S. Cochrane (1993), the disjunctions probably reflect a history of long-distance dispersal from a center in the partially unglaciated Kansas and Nebraska sandhills, the present-day gaps resulting from a paucity of suitable habitats between that area and the others where it is now found. Even so, its discovery in Missouri, Arkansas, and/or Oklahoma would not be surprising.
Selected References
Lower Taxa
None.