Flora of North America species comparison

The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

Malvaceae subfam. byttnerioideae
Habit Herbs, subshrubs, shrubs [trees].
Leaf

blades usually unlobed, rarely lobed (Hermannia), margins serrate, dentate, or entire.
Inflorescences

axillary, terminal, or leaf-opposed, usually antisepalous or absent (Hermannia and Waltheria);

gynoecium syncarpous.
Fruits

capsules or schizocarps, dehiscence loculicidal or septicidal.
Seeds

(1–)5–10, usually glabrous.

Malvaceae subfam. byttnerioideae
Distribution
North America; Mexico; Central America; South America; West Indies; Asia; Africa; Australia; pantropical
Discussion

Genera 26, species ca. 650 (4 genera, 16 species in the flora).

Byttnerioideae comprise five tribes previously ascribed to the family Sterculiaceae (B. A. Whitlock et al. 2001). It is sister to Grewioideae; together they represent the earliest branching taxa in the family (C. Bayer et al. 1999; R. Nyffeler et al. 2005).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Key
1. Anthers 3-thecate; staminodes present; sepals distinct or connate.
Ayenia
1. Anthers 2-thecate; staminodes usually absent; sepals connate
→ 2
2. Ovules 4–14 per locule.
Hermannia
2. Ovules 2 per locule
→ 3
3. Ovaries 5-locular.
Melochia
3. Ovaries 1-locular.
Waltheria
Source FNA vol. 6, p. 202. Author: Margaret M. Hanes.
Parent taxa Malvaceae
Subordinate taxa
Ayenia, Hermannia, Melochia, Waltheria
Name authority Burnett: Outlines Bot., 821, 1119. (1835)
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).



Type/paste one or more Latin names into the boxes above; matching taxa will show up below the box as you type. You can use the up/down arrow keys to move through the list.

(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Apiaceae, Boraginaceae, and Polemoniaceae.)

Choose a data source: Flora of North America

The species comparison tool is brought to you by:
Northwest Wildflowers