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Kalanchoe sexangularis

Kalanchoe sexangularis, Photo: Michael Lahanas

Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Ordo: Saxifragales

Familia: Crassulaceae
Subfamilia: Kalanchoideae
Genus: Kalanchoe
Subgenus: K. subg. Kalanchoe
Species: Kalanchoe sexangularis
Name

Kalanchoe sexangularis N.E.Br., Bull. Misc. Inform. Kew 1913:120.
Synonyms

Kalanchoe mossambicana Resende ex Resende & Sobrinho
Kalanchoe rogersii R.-Hamet
Kalanchoe rubinea Tölken
Kalanchoe sexangularis var. intermedia (R. Fern.) R. Fern.
Kalanchoe vatrinii Raym. Hamet
Kalanchoe vatrinii var. intermedia R. Fern.

Distribution
Native distribution areas:

Continental: Africa
Regional: Southern Africa
South Africa (Limpopo, Mpulamanga, KwaZulu-Natal), Swaziland, Zimbabwe, Mozambique, S-Zambia

References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition
References
Primary references

Brown, N.E., 1913. Bulletin of Miscellaneous Information, Royal Gardens, Kew. Kew 1913:120.

Links

Hassler, M. 2019. Kalanchoe sexangularis. World Plants: Synonymic Checklists of the Vascular Plants of the World In: Roskovh, Y., Abucay, L., Orrell, T., Nicolson, D., Bailly, N., Kirk, P., Bourgoin, T., DeWalt, R.E., Decock, W., De Wever, A., Nieukerken, E. van, Zarucchi, J. & Penev, L., eds. 2019. Species 2000 & ITIS Catalogue of Life. Published on the internet. Accessed: 2019 November 29. Reference page.
Govaerts, R. et al. 2019. Kalanchoe sexangularis in Kew Science Plants of the World online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the internet. Accessed: 2019 November 29. Reference page.
International Plant Names Index. 2019. Kalanchoe sexangularis. Published online. Accessed: November 29 2019.
Tropicos.org 2019. Kalanchoe sexangularis. Missouri Botanical Garden. Published on the internet. Accessed: 2019 November 29.
USDA, ARS, Germplasm Resources Information Network. Kalanchoe sexangularis in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed: 08-Apr-12.

Vernacular names
中文: 朱蓮

Kalanchoe sexangularis, also known as bushveld kalanchoe, six-angled kalanchoe, or red-leaved kalanchoe, is a species of the succulent genus Kalanchoe, in the family Crassulaceae that is native to Southern Africa.

Description
Leaves
Flowers

Kalanchoe sexangularis is a succulent, perennial that reaches heights of 20 to 100 centimeters. Its single or few, simple, upright, round, reddish shoots are somewhat two-to-six-sided and arise from a woody base. The fleshy leaves are more or less stalked. The rutty petiole is 4 to 45 millimeters long. On the lower leaves it does not encompass the stem, but on the upper leaves it is clearly encompassing the stem.

The broadly elliptical, elongated or egg-shaped, green to deep ruby-red (in full sun) leaf blade is 5 to 13 inches long and 3 to 8 inches wide. Their tip is rounded or blunt. The base of the lower leaves is heart-shaped, that of the upper is wedge-shaped. The leaf margin is roughly notched or wavy-notched or with one to four bluntly toothed lobes.[1]
Inflorescences

A winter-bloomer, its inflorescence consists of flat-topped panicles up to 30 centimeters in length. The upright, green-yellow to bright yellow flowers are on 2 to 7 millimeter long peduncles.

The green calyx tube is 0.5 to 2 millimeters long. The triangular, pointed calyx lobes are 1.5 to 2.2 millimeters long and about 1.2 millimeters wide. The pale pink, square-cylindrical to almost pyramidal corolla tube is enlarged in the lower half and 8 to 13 millimeters long. Their salmon-colored, broadly egg-shaped to almost circular corolla lobes are narrowed or rounded at their tip and have a length of 2 to 4 millimeters and are 1.5 to 3 millimeters wide. The stamens are attached to the tip of the corolla tube. Upper stamens protrude from the flower. The almost circular anthers are 0.4 to 1 millimeter long. The linear-lanceolate, pointed nectar flakes are 1.6 to 4 millimeters long. The carpel has a length of 6.5 to 10 millimeters. The stylus is 1.7 to 4 millimeters long.[2]

The seeds reach a length of 1 to 1.3 millimeters.
Distribution

Kalanchoe sexangularis is common in Zimbabwe, Mozambique and South Africa on rocky slopes in the shade or partial shade of trees or shrubs in bushland.
See also

Kalanchoe longiflora

References

Kalanchoe sexangularis N.E.Br. by South African National Biodiversity Institute, from PlantZAfrica.com
Bernard Descoings: Kalanchoe sexangularis . In: Urs Eggli (Ed.): Succulents Lexicon. Crassulaceae (thick leaf family) . Eugen Ulmer, Stuttgart 2003, ISBN 3-8001-3998-7 , pp. 182 .

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