Senecio transmarinus

Senecio transmarinus is a sometimes straggling member of the flowering plants Asteraceae and species of the genus Senecio a perennial herb[2] that grows on the higher elevations of the Rwenzori Mountains in Uganda.[3] It is also found in Rwanda and the Democratic Republic of the Congo.[4] The inflorescences consist of several flowerheads with large yellow ray florets.[3]

Senecio transmarinus
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Senecio
Species:
S. transmarinus
Binomial name
Senecio transmarinus
Synonyms

Senecio confertoides De Wild
Senecio lanuriensis De Wild.[1]

Description

Sometimes straggling and sometimes straight[2] and found in the heathbelt and "alpine zone" between 3,000 and 4,200 meters (9,800 to 14,000 feet), Senecio transmarinus plants are much larger at lower altitudes than at the higher altitudes.[3]

Stems and leaves
Stems 30 to 240 centimeters (12 to 94 inches) tall and are mostly without hairs. Leaves at the base are 3 to 8 centimeters (1 to 3 inches) long, a measurement which includes the petiole, and 1 to 2 centimeters wide.[2] Leaves are lobed and somewhat waxy or sparsely hairy[3] and sometimes purple on the bottom.[2]
Flowers
"Inflorescences with several flower heads with striking large yellow ray florets"[3] in clusters of 1 to many, each with 6 to 12 yellow ray florets and 5-veined disc yellow disc florets.[2]
Fruits
Achenes 4 to 5 millimeters long and hairless; pappus 5 to 8 millimeters long.[2]

References
  1. "Senecio transmarinus S.Moore record n° 176139". African Plants Database. South African National Biodiversity Institute, the Conservatoire et Jardin botaniques de la Ville de Genève and Tela Botanica. Retrieved 2008-05-08.
  2. Aluka. "Entry for Senecio transmarinus S.Moore [family COMPOSITAE]". African Plants. Ithaka Harbors, Inc. Retrieved 2008-05-07.
  3. H. Peter Linder and Berit Gehrke (2 March 2006). "Common plants of the Rwenzori, particularly the upper zones" (PDF). Institute for Systematic Botany, University of Zurich. Archived from the original (PDF) on 2008-05-30. Retrieved 2008-05-06.
  4. "Senecio transmarinus S.Moore". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2020-11-29.


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