ZipcodeZoo.com

Malvastrum

(Genus)

Herbs perennial (sometimes annual) or subshrubs, erect. Leaves simple; stipules lanceolate or falcate; leaf blade ovate or lanceolate, entire or sometimes obscurely 3-lobed, margin crenate or dentate; foliar nectaries lacking. Flowers axillary, solitary or in cymose clusters, sometimes aggregated into terminal spikes. Epicalyx lobes 3, free, subulate or filiform to lanceolate. Calyx cup-shaped, 5-lobed. Corolla yellow or orange, broadly campanulate; petals 5, scarcely longer than calyx. Filament tube included within corolla, glabrous or puberulent; anthers clustered at apex. Ovary 5-18-loculed; ovules 1 per locule; styles as many as carpels, slender; stigmas capitate. Fruit a schizocarp, oblate; mericarps 5-18, indehiscent, reddish brown, horseshoe-shaped with a prominent ventral notch, sometimes 2- or 3-cuspidate. Seeds solitary, reniform, glabrous.

Fourteen species: principally in North, Central, and South America, a few pantropical weeds; two species (both introduced) in China.[1]

Photos

Map

Taxonomy

The Genus Malvastrum is further organized into finer groupings including:

Bibliography

  • Feng Kuo-mei. 1984. Malvaceae. In: Feng Kuo-mei, ed., Fl. Reipubl. Popularis Sin. 49(2): 1-102.

Footnotes

  1. Ya Tang, Michael G. Gilbert & Laurence J. Dorr "Malvastrum". in Flora of China Vol. 12 Page 265, 269. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org.

Sources

  • The distribution map on this page comes from the Global Biodiversity Information Facility and is used with permission.
  • Photographs on this page are copyrighted by individual photographers, and individual copyrights apply.
  • The GMapImageCutter is used under license from the UCL Centre for Advanced Spatial Analysis.
  • The technology underlying this page, including the Image Browser and controls behind Keep Exploring, is owned by the BayScience Foundation. All rights are reserved.

Keep Exploring...

Loading...
Loading...

What is this? Click to find out...

Loading...
Loading...
Last Revised: May 01, 2008