Camptocarpus sphenophyllus

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Camptocarpus sphenophyllus
Camptocarpus sphenophyllus.jpg
Photograph of a herbarium specimen of Camptocarpus sphenophyllus [1]
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Gentianales
Family: Apocynaceae
Genus: Camptocarpus
Species:
C. sphenophyllus
Binomial name
Camptocarpus sphenophyllus
(Balf.f.) Venter
Synonyms [2]
  • Tanulepis sphenophyllaBalf.f.

Camptocarpus sphenophyllus is a species of plant in the Apocynaceae family. It is endemic to the island of Rodrigues. [3] Isaac Bayley Balfour, [4] the naturalist who first formally described the species named it, using the synonym Tanulepis sphenophylla, after its wedge-shaped leaves (Latinized forms of Greek σφην-, sphen- and φύλλον, phúllon). [5] [6]

Contents

Description

It is a climbing plant. Its slender branches are cylindrical. Its hairless, membranous, oblong to lance-shaped leaves are 5.1–7.6 by 0.8–1.2 centimeters. The tips of its leaves come point and the bases are wedge-shaped. Its petioles are 6–9 millimeters long. Its inflorescences occur at the junction between the leaves and stem and have sparse flowers. The inflorescences have negligible peduncles, and wavy pedicels, that 1.3–1.9 centimeters long. Its flowers have 5 small sepals that are 1 millimeter long, fused at their base, with triangular lobes. Its 5 hairless, greenish petals are fused at the base, 3.1 millimeters long, with lance-shaped lobes. The flowers have a ring-like structure between the petals and its stamen called a corona. The foot of the corona is fused to the base of the stamen. Its corona has 5 tongue-shaped lobes that are 1 millimeter long with blunt tips. Its anthers and stigma are fused to form a structure called a gynostegium that is 1 by 1 millimeters Its smooth, cylindrical fruit are up to 7.6 centimeters long with pointed tips. [6] [7]

Reproductive biology

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

Distribution and habitat

It has been observed growing in valleys and on hills. [7]

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<i>Camptocarpus mauritianus</i> Species of flowering plant

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<i>Chlorocyathus lobulata</i> Species of flowering plant

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References

  1. "Camptocarpus sphenophyllus (Balf. f.) Venter". Tropicos. Tropicos.org. Missouri Botanical Garden. n.d. Retrieved July 26, 2023.
  2. "Camptocarpus sphenophyllus (Balf. fil.) Venter". Catalogue of Life. Species 2000. n.d. Retrieved July 26, 2023.
  3. "Camptocarpus sphenophyllus (Balf.f.) Venter". Plants of the World Online. The Trustees of the Royal Botanic Gardens, Kew. n.d. Retrieved July 26, 2023.
  4. "Isaac Bayley Balfour". International Plant Names Index (IPNI). Royal Botanic Gardens, Kew; Harvard University Herbaria & Libraries; Australian National Botanic Gardens . Retrieved 2023-07-26.
  5. Stearn, William (2004). Botanical Latin. Portland, Ore. Newton Abbot: Timber Press David & Charles. ISBN   9780881926279.
  6. 1 2 Balfour, I. Bayley (1877). "Aspects of the Phaenogamic Vegetation of Rodriguez, with Descriptions of new Plants from the lsland". The Journal of the Linnean Society. Botany. 16 (1): 7–25.
  7. 1 2 Baker, J.G. (1877). Flora of Mauritius and the Seychelles: A Description of the Flowering Plants and Ferns of those Islands. London: L. Reeve. pp. 225–226.
  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.