Rauvolfia

Rauvolfia sandwicensis

Rauwolfia ( Rauvolfia, Syn: .. .. Cyrtosiphonia Miq, Dissolena Lour, Heurckia waste Arg, Ophioxylon L., Podochrosia Baill, Rauwolfia L., orth var ), also called devil pepper or snake root, is a plant genus in the family of the dogbane family ( Apocynaceae ). The generic name honors Rauvolfia the Augsburg physician and botanist Leonhard Rauwolf ( 1540-1596 ).

Description

They are evergreen shrubs or trees. The plants contain latex. The stalked leaves are shiny and are usually in whorls on the branches.

The hermaphrodite, radial symmetry flowers are usually fünfzählig. The fused sepals are deeply divided. The fused petals are white, yellow, green or pink, sometimes the corolla tube is red. The corolla lobes overlapping to the left. There is only one stamen circle exists; the stamens are very short. The ovary is upper constant. Are formed drupes containing a seed.

Types and occurrence

The species have areas in Africa, Asia or America. There are about 60 to 110 species in the genus Rauvolfia (selection):

  • Rauvolfia biauriculata waste. Arg
  • Rauvolfia caffra Sond.
  • Rauvolfia Cambodiana Pierre ex Pit.
  • Rauvolfia cubana A.DC.
  • Rauvolfia grandiflora Mart. ex A.DC.
  • Rauvolfia ligustrina Roem. & Schult. ( Syn. R. ternifolia Kunth )
  • Rauvolfia mannii Stapf ( syn. R. longiacuminata De Wild & T. Durand, R. obscura K.Schum. . )
  • Rauvolfia nana E.A.Bruce
  • Rauvolfia nitida Jacq. ( Syn. R. angustifolia Salisb, R. canescens Descourt, R. lanceolata A.DC.. )
  • Rauvolfia paraensis
  • Rauvolfia sellowii waste. Arg
  • Rauvolfia semperflorens ( Müll. Arg ) Schltr. ( Syn: Heurckia semperflorens waste Arg. )
  • Indian Rauwolfia ( Rauvolfia serpentina (L.) Benth ex Kurz, Syn. Ophioxylon serpentinum L.)
  • Rauvolfia sumatrana Jack ( syn.. R. reflexa Teijsm & Binn. )
  • Four-petalled Devil pepper ( Rauvolfia tetraphylla L., Syn: R. canescens L., R. heterophylla Roem & Schult, R. hirsuta Jacq.. . )
  • Rauvolfia tiaolushanensis Tsiang
  • Chinese Rauwolfia ( Rauvolfia verticillata ( Lour. ) Baill, Syn. Dissolena verticillata Lour, Rauvolfia chinensis Hemsl. . )
  • Rauvolfia viridis Roem. & Schult. ( Syn: Rauvolfia lamarkii A.DC. )
  • Rauvolfia vomitoria Afzel. ex Spreng. ( Syn: . R. congolana De Wild & Major. )

Swell

  • Description of the genus in the Flora of China. (English )
Gentianales Rauvolfioideae Ovary (botany) Range (biology)
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