Apocynaceae
Melkbos
Xysmalobium undulatum
- Family
- Apocynaceae
- Genus
- Xysmalobium
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Common names
By language (6)
- Afrikaans
- Bitterhout, Bitterhoutwortel, Bitterwortel, Melkbos
- English
- Melkbos, Milk bush, Milkwort, Uzura, Wave-leaved xysmalobium, Wild cotton
- German
- Uzara
- Southern Sotho
- Leshokoa, Poho-tehla
- Xhosa
- IShongwane, Iyeza elimhlophe, Nwachaba
- Zulu
- IShinga, IShongwane, IShongwe
Synonyms
- Asclepias undulata L.
- Gomphocarpus undulatus (L.) Schltr.
Flowers
- In flower
- November to January (from 59 flowering iNaturalist observations worldwide)
Photos

FlowerPhoto: Justin Ponder, CC BY 4.0, from iNaturalist 
FlowerPhoto: i_c_riddell, CC BY 4.0, from iNaturalist 
FlowerPhoto: Peter Warren, CC0, from iNaturalist 
FlowerPhoto: Tam, CC BY-SA 4.0, from iNaturalist 
Photo: SAplants, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Alan Manson, CC BY 4.0, from iNaturalist 
Photo: Mmatjie Mashao, CC BY-SA 4.0, from iNaturalist 
Photo: SAplants, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Robert Taylor, CC BY 4.0, from iNaturalist 
Photo: SAplants, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Peter Warren, CC0, from iNaturalist 
Photo: SAplants, CC BY-SA 4.0, from Wikimedia Commons
More in Xysmalobium
- Xysmalobium acerateoidesApocynaceae
- Xysmalobium andongenseApocynaceae
- Xysmalobium carinatumApocynaceae
- Xysmalobium holubiiApocynaceae
- Scented xysmalobiumXysmalobium involucratumApocynaceae
- Xysmalobium kaessneriApocynaceae
- Xysmalobium membraniferumApocynaceae
- Xysmalobium pearsoniiApocynaceae
- Xysmalobium rhomboideumApocynaceae
- Xysmalobium samoritoureiApocynaceae
- Xysmalobium sessileApocynaceae
- Xysmalobium stocksiiApocynaceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0). About our plant data.