Manihot Manihotoides (Euphorbiaceae) - CNCFlora

76 Flora Neotropica
Trees. Young stems pubescent, grayish brown with reddish tinge; mature stems
reddish brown, glaucous. Leaves alternate, stipules deciduous, pubescent; petioles ca 10.0
cm long, terete, glabrous, in some, pubescent, petiole attachment to lamina basal; lamina
green or pale green, glabrous, abaxial surface wax pattern smooth; venation camptodro-
mous, 3 lobed; median lobes obovate, margin entire, ca 10.0 cm long, ca 5.0 cm wide,
base of lobes more than 2.5 cm across, apex abruptly tapering to an acute point, sinuses
on either side of the median lobes narrowly cuneate; lowest lobes slightly smaller than
median lobes, nonsymmetric, gently curved up, a major vein (in addition to the midrib)
present along the base of the lowest lobe. Inflorescence a monoecious, few flowered,
axillary raceme, 4.0-8.0 cm long, peduncles and pedicels pubescent; bracteoles setaceous,
pubescent, margin smooth; bractlets setaceous, pubescent. Pistillate flowers restricted to
the base of the inflorescence, borne on short pedicels, less than 1.5 cm long; tepals
yellowish green, very sparsely pubescent, ca 1.0 cm long, cleft to base into 5 oblong
tapering lobes; disc fleshy, entire; pistil ca 0.6 cm long, ovary glabrous, the trifid stigma
short, moderately lobed and lobulate. Staminate flowers campanulate; tepals about 1.1
cm long, yellowish green, very sparsely pubescent, cleft 1/3 into 5 oblong-obtuse lobes;
disc fleshy, 10 lobes, stamens 10, in 2 whorls of 5 each, superior whorl ca 0.7 cm long,
inferior whorl ca 0.6 cm long, filaments and anthers cream colored. Fruit pedicels ca 1.5
cm long; capsules ca 2.25'cm long from base to apex, distinctly conical, narrowly tapering
towards the apex, surface finely rugose, apex pointed; fruit dehiscence loculicidal, the 3
commissural sutures not disjoining. Seeds non vidi. Fig 27A, B.
TYPE. Kerber 185: Mexico: 1880 (photos of syntype, F, GH, NY).
DISTRIBUTION. (Fig 26D). Mexico, in Mexico and Morelos, alt ca 900-1300m. MEXI-
CO. Mexico: Hinton 3564 (GH) Limones, Temascaltepec, 3 June 1933. Morelos: Pringle 11339 (GH)
near Cueravaca, Lime Stone Hills, Yautepec, 24 Oct 1902.
A \. . J ?
ji L
A I
2 IB 3
64,GH.
FIG 27. Manihot crassisepala. A, leaf (Pringle 11339, GH); B, inflorescence (Hinton 3564, GH).
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