Joseph Nelson Rose,
- Greenish Yellow - Pale Yellow
be: Ibervillea macdougalii, Lira, Dávila &
mucronata, Denis M.
Kearns, 1994 ?
member of the Cucurbitaceae
family was described by Joseph Nelson Rose in 1912. It is found in the Sonoran
Desert, growing in a well drained soil with some water and some sun.
The partly sub terrestrial caudex will grow to fifteen centimetres in
diameter, the vines reaches up in the trees for three meters. The
flowers are from white to greenish yellow. It can be reproduced both
by seeds and root-cuttings.
The genera is named for
Tumamoc Hill just west of the City of Tucson, Arizona, where the
University of Arizona maintains an ecological research station. The
species name after John Macdougal, botanist with the Missouri