Camptocarpus crassifolius
Botanical illustration of Camptocarpus crassifolius[1]
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Gentianales
Family: Apocynaceae
Genus: Camptocarpus
Species:
C. crassifolius
Binomial name
Camptocarpus crassifolius
Synonyms[2]
  • Symphytonema crassifolium (Decne.) Choux
  • Tanulepis crassifolia (Decne.) Choux
  • Camptocarpus madagascariensis (Schltr.) Venter
  • Symphytonema madagascariense Schltr.
  • Tanulepis madagascariensis (Schltr.) Choux

Camptocarpus crassifolius is a species of plant in the Apocynaceae family. It is endemic to Madagascar.[3] Joseph Decaisne,[4] the botanist who first formally described the species, named it after its thick (crassus in Latin) leaves (-folius in Latin).[5][6]

Description

It is a climbing plant. The upper portion of the stems are wavy and slender with diameters of 0.6–0.8 millimeters while the lower portions are firmer and thicker with diameters up to 1.2 millimeters. The length between leaves or branches is 5–8 centimeters. Its wedge to egg-shaped leaves are 25–30 by 6–8 millimeters with the broader part closer to the tip. The tips of its leaves are blunt with a short sharp point that is 0.2 millimeters long. The base of the leaves are variably tapering from 10° to 25°. Its short petioles are 2.5 millimeters long. Its Inflorescences occur at the junction between the leaves and stem and have rudimentary branches with 1–3 flowers. The inflorescences have very short peduncles that are 3 millimeters long, and flowers that are 4 millimeters long. Its flowers have 5 overlapping, rounded sepals. The bottom third of its 5 petals are fused at their base forming tube. The tooth-shaped, broad lobes of the petals have blunt tips and do not reach the top of the stamens.[6][7]

Reproductive biology

The pollen of Camptocarpus crassifolius is shed as permanent tetrads.[8]

Distribution and habitat

It has been observed growing at elevations of up to 450 meters.[1]

References

  1. 1 2 Laurence Ramon (September 27, 2017). "Camptocarpus crassifolius Decne". Tropicos. Tropicos.org. Missouri Botanical Garden. Retrieved July 21, 2023.
  2. ↑ "Camptocarpus crassifolius Decne". Catalogue of Life. Species 2000. n.d. Retrieved July 21, 2023.
  3. ↑ "Camptocarpus crassifolius Decne". Plants of the World Online. The Trustees of the Royal Botanic Gardens, Kew. n.d. Retrieved July 21, 2023.
  4. ↑ "Joseph Decaisne". International Plant Names Index (IPNI). Royal Botanic Gardens, Kew; Harvard University Herbaria & Libraries; Australian National Botanic Gardens. Retrieved 2023-07-21.
  5. ↑ Stearn, William (2004). Botanical Latin. Portland, Ore. Newton Abbot: Timber Press David & Charles. ISBN 9780881926279.
  6. 1 2 Decaisne (1844). "Asclepiadeae". In de Candolle, Alphonso (ed.). Prodromus Systematis Naturalis Regni Vegetabilis [Prodrome of the Natural System of the Vegetable Kingdom] (in Latin). Vol. 8. Paris: Fortin, Masson and Associates. p. 494. doi:10.5962/bhl.title.286.
  7. ↑ Costantin; Gallaud (1907). "Revision des Asclépiadacées de Madagascar" [Revision of the Asclepiadaceae of Madagascar]. Annales des Sciences Naturelles. 9 (in French). 5–6: 333–364.
  8. ↑ Verhoeven, Rudolf L.; Venter, Johan T. (2001). "Pollen Morphology of the Periplocoideae, Secamonoideae, and Asclepiadoideae (Apocynaceae)". Annals of the Missouri Botanical Garden. 88 (4): 569–582. JSTOR 3298634.
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