Jay F. Bolin Old Dominion University Biological Sciences 110 Mills Godwin Building Norfolk Virginia 23529 USA email@example.com
Hydnora africana, Hydnora triceps, vegetative body
The vegetative anatomy of root holoparasitic plants is difficult to interpret
because of its dramatic morphological reduction. This root holoparasitic plant,
Hydnora africana Thunb., parasitizing Euphorbia mauritanica
L. (background) in the Richtersveld of South Africa, only emerges from the soil
to flower. After the fleshy petals open, the flower emits an odor of rotting
meat to attract its pollinators, carrion flies and beetles. In anatomical investigations,
the vegetative body of Hydnora triceps Drège & Meyer was
revealed to be a rhizome with an unusual modified root-cap-like structure and
xylem characteristic of its Piperalean stock.
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