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hedgehog gourd

Habit Plants: roots thin, without thick, woody rootstock.
Leaves

petiole weakly hispidulous to hispid;

blade ovate to broadly ovate, unlobed to 3-lobate, 3–7.5(–12.5) × 2–7(–12) cm, length 1.1–1.5 times width, base cordate, lobes ovate to elliptic, margins serrate or entire.

Inflorescences

pedicels of pistillate flowers and fruits cylindric; staminate flowers 1 or 2–7, usually in racemoid fascicles, rarely racemes; pistillate flowers: calyx lobes 5–6(–11) mm, petals 6–15 mm, corolla tube 1–1.5 mm, lobes glabrous inside.

Tendrils

proximally hispidulous, distally glabrous.

Pepos

pale yellow, monocolor, ellipsoid to ellipsoid-cylindric or globose, 3.5–7 × 2.5–4 cm, densely echinate at maturity, spinules narrowly cylindric, mostly obscuring fruit surface, flesh light yellow.

2n

= 24.

Cucumis dipsaceus

Phenology Flowering Jul–Sep.
Habitat Open shrublands, thicket edges, riparian corridors, stream banks, sandy and loamy soil
Elevation 50–100 m [200–300 ft]
Distribution
from FNA
TX; Africa [Introduced in North America; introduced also in Mexico, Pacific Islands (Galapagos Islands, Hawaii), Australia]
[BONAP county map]
Discussion

Cucumis dipsaceus is documented as adventive in Texas by collections from Hidalgo and Webb counties. It is sometimes cultivated as an ornamental because of its distinctive fruits.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 6, p. 38.
Parent taxa Cucurbitaceae > Cucumis
Sibling taxa
C. anguria, C. melo, C. metuliferus, C. myriocarpus, C. sativus
Name authority Ehrenberg: in E. Spach, Hist. Nat. Vég. 6: 211. (1838)
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