Flora of North America species comparison

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Ditrysinia

sebastian-bush
Habit Shrubs, monoecious; hairs unbranched; latex absent.
Leaves

semipersistent, alternate, simple;

stipules present, persistent;

petiole present, glands absent;

blade unlobed, margins entire, laminar glands usually abaxial, scattered, sometimes absent;

venation pinnate.
Inflorescences

bisexual (pistillate flowers proximal, staminate distal) or staminate, terminal, racemes;

glands subtending each bract 2.
Pedicels

present.
Staminate flowers

sepals 3, imbricate, connate basally;

petals 0;

nectary absent;

stamens 3, distinct;

pistillode absent.
Pistillate flowers

sepals 3, connate basally;

petals 0;

nectary absent;

pistil 3-carpellate;

styles 3, connate basally, unbranched.
Fruits

capsules, base not persisting.
Seeds

ovoid-oblong;

outer seed coat dry;

caruncle present.

Ditrysinia
Distribution
from USDA
se United States
[BONAP county map]
Discussion

Species 1.

Molecular phylogenetic analyses indicate a close relationship of Ditrysinia with Microstachys, but taxon sampling is too sparse to determine if Ditrysinia should contain other species that are now classified in polyphyletic Sebastiania (K. Wurdack et al. 2005).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 12, p. 230. Author: Kenneth J. Wurdack.
Parent taxa Euphorbiaceae
Subordinate taxa
D. fruticosa
Name authority Rafinesque: Neogenyton, 2. (1825)
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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