Kingdom:
Phylum:
Angiosperms
Order:
Gentianales
Genus:
Species:
riometense
ID:
634200

Status:
valid

Authors:
Sundell

Source:
cmp

Year:
1981

Citation Micro:
Evol. Monogr. 5: 26 (1981)

WFO Identifier:
wfo-0000633532

Common Names

  • Cynanchum riometense
  • Riometense Swallowwort
  • Riometense Vincetoxicum

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Description

Cynanchum riometense (also called Riomet swallow-wort, among many other common names) is a perennial herbaceous plant with white flowers and a woody stem. It is native to South Africa and is found in grasslands and open woodlands.

Uses & Benefits

Cynanchum riometense is used in traditional Chinese medicine for treating fever, headaches, and other ailments. It is also used as an ornamental plant in gardens.

Flower, Seeds and Seedlings

Cynanchum riometense has small white flowers that are arranged in clusters. The seeds are small and black in colour. The seedlings are small and have a single pair of leaves.

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Cultivation and Propagation

Cynanchum riometense is a perennial plant that is best grown in full sun or partial shade. It can be propagated by seed or division. Seeds should be sown in spring or early summer in a well-drained soil. Division can be done in spring or autumn. The plant should be divided into small clumps and replanted in a sunny location.

Where to Find Cynanchum riometense

Cynanchum riometense is native to the tropical rainforests of South America.

Cynanchum riometense FAQ

What are the common names of Cynanchum riometense?

Common names of Cynanchum riometense include Rio de Janeiro swallowwort and Rio de Janeiro milkweed.

What type of soil does Cynanchum riometense prefer?

Cynanchum riometense prefers well-draining, slightly acidic soil.

How much light does Cynanchum riometense need?

Cynanchum riometense prefers bright, indirect light.

Species in the Cynanchum genus

Cynanchum absconditum, Cynanchum abyssinicum, Cynanchum acidum, Cynanchum aculeatum, Cynanchum acuminatum, Cynanchum acutifolium, Cynanchum acutum, Cynanchum adalinae, Cynanchum africanum, Cynanchum alatum, Cynanchum altiscandens, Cynanchum ambovombense, Cynanchum ampanihense, Cynanchum analamazaotrense, Cynanchum anderssonii, Cynanchum andringitrense, Cynanchum angavokeliense, Cynanchum ansamalense, Cynanchum anthonyanum, Cynanchum antsiranense, Cynanchum appendiculatopsis, Cynanchum appendiculatum, Cynanchum arenarium, Cynanchum auriculatum, Cynanchum balense, Cynanchum baronii, Cynanchum batangense, Cynanchum beatricis, Cynanchum bernardii, Cynanchum bicampanulatum, Cynanchum bifidum, Cynanchum bisinuatum, Cynanchum blandum, Cynanchum blyttioides, Cynanchum bonariense, Cynanchum bosseri, Cynanchum boudieri, Cynanchum boveanum, Cynanchum bowmanii, Cynanchum brasiliense, Cynanchum brevicoronatum, Cynanchum bricenoi, Cynanchum bulligerum, Cynanchum bungei, Cynanchum callialatum, Cynanchum carautanum, Cynanchum caudigerum, Cynanchum celebicum, Cynanchum chanchanense, Cynanchum chinense,

Species in the Apocynaceae family

Acokanthera laevigata, Acokanthera oblongifolia, Acokanthera oppositifolia, Acokanthera rotundata, Acokanthera schimperi, Adenium boehmianum, Adenium multiflorum, Adenium obesum, Adenium oleifolium, Adenium swazicum, Adenium dhofarense, Aganosma breviloba, Aganosma cymosa, Aganosma gracilis, Aganosma lacei, Aganosma petelotii, Aganosma schlechteriana, Aganosma siamensis, Aganosma wallichii, Aganosma heynei, Alafia alba, Alafia barteri, Alafia benthamii, Alafia berrieri, Alafia calophylla, Alafia caudata, Alafia erythrophthalma, Alafia falcata, Alafia fuscata, Alafia insularis, Alafia intermedia, Alafia landolphioides, Alafia lucida, Alafia microstylis, Alafia multiflora, Alafia nigrescens, Alafia orientalis, Alafia parciflora, Alafia pauciflora, Alafia perrieri, Alafia schumannii, Alafia thouarsii, Alafia vallium, Alafia verschuereni, Alafia whytei, Alafia zambesiaca, Allamanda calcicola, Allamanda angustifolia, Allamanda blanchetii, Allamanda cathartica,

References

The Plant List v1.1 record kew-2751505: Based on the initial data import
Eric Sundell (b.1942): Based on occurrence of standard abbreviation 'Sundell' in the authors string.