Hura

Linnaeus

Sp. Pl. 2: 1008. 1753.

Common names: Sandbox tree
Introduced
Etymology: Native American word for poisonous sap, alluding to caustic latex
Treatment appears in FNA Volume 12. Treatment on page 230. Mentioned on page 157, 159.
 TaxonIllustrator 
FNA12 P30 Hura crepitans.jpegHura crepitans
Hippomane mancinella
Pleradenophora bilocularis
Barbara Alongi
Barbara Alongi
Barbara Alongi

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.

Distribution

Introduced; Fla., Mexico, West Indies, Central America, South America, also in tropical areas worldwide

Discussion

Species 2 (1 in the flora).

Hura polyandra Baillon is distributed from Mexico to Nicaragua.

Selected References

None.

Lower Taxa

"entire" is not a number. "connate" is not a number.

... more about "Hura"
Michael J. Huft +
Linnaeus +
unlobed +
Sandbox tree +
Fla. +, Mexico +, West Indies +, Central America +, South America +  and also in tropical areas worldwide +
Native American word for poisonous sap, alluding to caustic latex +
pistillate +  and staminate +
subtending +  and lateral +
conspicuous +
leaf-opposed +, terminal +  and axillary +
bisexual +  and unisexual +
colorless +  and white +
deciduous +
palmate +  and pinnate +
crenate-serrulate +  and serrate +
crenate +, repand +  and subentire +
connate;distinct +
5-20-carpellate +
lenticular +
Introduced +
connate +  and distinct +
multifid +  and 2-fid +
Euphorbiaceae +
conic +  and broad-based +
spikelike +
evergreen +, deciduous +, perennial +, biennial +  and annual +