Trees, shrubs, or herbs [rarely vines]; pubescence of stellate and/or simple hairs; inner bark
usually fibrous; mucilage cells and/or cavities and/or ducts in the axis and/or leaves and …

The Sterculiaceae is represented in the southeastern flora by four genera and seven
species which grow without cultivation. Distribution in the flora area is primarily in the …

Annual to perennial [often suffrutescent] herbs [shrubs] or occasionally trees; branches
usually divaricate, with angled or swollen nodes, growth sympodial. L'eaves opposite …

Shrubs or trees with simple, alternate, exstipulate leaves. Flowers com-plete, showy, borne
singly in the axils of the leaves. Sepals 5 (6), im-bricate (quincuncial: 2 outside, 2 inside, 1 in …

Perennial to annual herbs [rarely shrubby or tree-like]. Leaves alternate, sinuate, lobed,
pinnatifid or pinnatisect, rarely entire, commonly spiny margined. Capitula (heads) …

1 Prepared for a biologically oriented generic flora of the southeastern United States, a joint
project of the Arnold Arboretum and the Gray Herbarium of Harvard University which has …

1 Prepared for a generic flora of the southeastern United States, a joint projec of the Gray
Herbarium and the Arnold Arboretum made possible through the suppo of the National …

'Prepared for the Generic Flora of the Southeastern United States, a long-term project made
possible by grants from the National Science Foundation and at this writing supported by …

Annual, biennial, or [monocarpic or] polycarpic perennials, the plants mostly succulent, often
evergreen, herbs, subshrubs [or shrubs, many of treelike habit, or rarely scandent], usually …

1 Prepared for a generic flora of the southeastern United States, a joint project of the Arnold
Arboretum and the Gray Herbarium of Harvard University made possible through the support …