Dendrosenecio cheranganiensis

Dendrosenecio cheranganiensis is one of the East African giant groundsel, this one endemic to the Cherangani Hills. Once it was a genus of Senecio but has recently been reclassified as a Dendrosenecio.

Dendrosenecio cheranganiensis
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Dendrosenecio
Species:
D. cheranganiensis
Binomial name
Dendrosenecio cheranganiensis
Synonyms

Sources:[1]

Description

Dendrosenecio cheranganiensis can grow to 6 meters tall, with trunks up to 25 centimeters in diameter and pith with diameters of 2 centimeters. Leaf-rosettes of 40–70 leaves. Infrequent reproduction makes these giant plants sparsely branched and columnar. They rarely exceed three reproductive cycles. Leaves can be up to 94 centimeters long and 25 centimeters wide. Inflorescence can be 100 centimeters tall and 70 centimeters in diameter. 10 to 13 ray florets 10–13 and 25 to 50 disc florets.[2]

Distribution

D. cheranganiensis grows between 2600–3400 meters on the slopes of the Cherangani Hills.[2]

Infraspecific name synonymy

The names for the giant groundsels have become somewhat confusing:

  • Dendrosenecio cheranganiensis (Cotton & Blakelock) E.B.Knox[1]
    • Dendrosenecio cheranganiensis (Cotton & Blakelock) E.B.Knox subsp. cheranganiensis
      • Dendrosenecio cheranganiensis (Cotton & Blakelock) E.B.Knox subsp. cheranganiensis (2005).
      • Dendrosenecio johnstonii (Oliv.) B.Nord. subsp. cheranganiensis (Cotton & Blakelock) B.Nord.
      • Senecio cheranganiensis Cotton & Blakelock
      • Senecio johnstonii Oliv. subsp. cheranganiensis (Cotton & Blakelock) Mabb.[3]
    • Dendrosenecio cheranganiensis (Cotton & Blakelock) E.B.Knox subsp. dalei[4]
      • Dendrosenecio cheranganiensis (Cotton & Blakelock) E.B.Knox subsp. dalei
      • Dendrosenecio johnstonii (Oliv.) B.Nord. subsp. dalei (Cotton & Blakelock) B.Nord.
      • Senecio dalei Cotton & Blakelock
      • Senecio johnstonii Oliv. subsp. dalei (Cotton & Blakelock) Mabb.

References
  1. "Dendrosenecio cheranganiensis record n° 177714". African Plants Database. South African National Biodiversity Institute, the Conservatoire et Jardin botaniques de la Ville de Genève and Tela Botanica. Archived from the original on 2013-01-15. Retrieved 2008-05-15.
  2. Aluka. "Entry for Dendrosenecio cheranganiensis subsp. cheranganiensis [family COMPOSITAE]". African Plants. Ithaka Harbors, Inc. Archived from the original on 2013-08-01. Retrieved 2008-05-15.
  3. "Senecio johnstonii Oliv. subsp. cheranganiensis (Cotton & Blakelock) Mabb. record n° 105254". African Plants Database. South African National Biodiversity Institute, the Conservatoire et Jardin botaniques de la Ville de Genève and Tela Botanica. Archived from the original on 2013-01-15. Retrieved 2008-05-13.
  4. "Dendrosenecio cheranganiensis (Cotton & Blakelock) E.B.Knox subsp. dalei record n° 105255". African Plants Database. South African National Biodiversity Institute, the Conservatoire et Jardin botaniques de la Ville de Genève and Tela Botanica. Archived from the original on 2013-01-16. Retrieved 2008-05-15.


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