Flora of North America species comparison

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Hura

sandbox tree
Habit Trees, monoecious; trunk with broad-based, conic thorns; hairs unbranched; latex white or colorless.
Leaves

deciduous, alternate, simple;

stipules present, caducous;

petiole present, glands present at apex, lateral, conspicuous;

blade unlobed, margins serrate or crenate-serrulate, laminar glands absent;

venation pinnate.
Inflorescences

usually unisexual, rarely bisexual (pistillate flowers proximal, staminate distal);

staminate terminal, spikelike thyrses, cymules densely crowded in conelike structure;

pistillate axillary, solitary flowers;

bisexual as in staminate with solitary pistillate flower at base;

glands subtending each bract 0.
Pedicels

present.
Staminate flowers

sepals 5, imbricate, connate most of length;

petals 0;

nectary absent;

stamens 10–80, connate entire length forming thick column;

pistillode absent.
Pistillate flowers

sepals 5, connate entire length;

petals 0;

nectary absent;

pistil 5–20-carpellate;

style 1, unbranched, terminating in lobed stigmatic disc.
Fruits

capsules, woody.
Seeds

lenticular;

caruncle absent.
x

= 11.

Hura
Distribution
from USDA
Mexico; Central America; South America; West Indies [Introduced, Fla.; introduced also in tropical areas worldwide]
[BONAP county map]
Discussion

Species 2 (1 in the flora).

Hura polyandra Baillon is distributed from Mexico to Nicaragua.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 12, p. 230. Author: Michael J. Huft.
Parent taxa Euphorbiaceae
Subordinate taxa
H. crepitans
Name authority Linnaeus: Sp. Pl. 2: 1008. (1753): Gen. Pl. ed. 5, 439. (1754)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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