John Davidson

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December 10, 2005 : Rehderodendron macrocarpum

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Keywords: Styracaceae | Rehderodendron macrocarpum Hu | 14865-0050-1976

Rehderodendron macrocarpum

Today's BPotD entry is number 250, so I thought I'd share a plant in the same family as the first entry (Melliodendron xylocarpum), the Styracaceae.

Rehderodendron macrocarpum (interpretative sign) is native to southeast China and Vietnam (Flora of China entry | illustration). The genus name commemorates the German-born taxonomist Alfred Rehder, a former curator of the herbarium at the Arnold Arboretum.

The pictured fruit takes over six months to mature. This is perhaps not surprising, considering this 9cm long woody-shelled fruit develops from dainty 2cm long flowers. Despite blooming profusely with thousands of flowers, only a few of the flowers develop into fruit at UBC Botanical Garden – maybe a dozen to two dozen each year.

This was one of the favourite plants of the late Dr. Gerald Straley.

Botany resource link: Overview of Barley, via Oregon State University's BarleyWorld.org. “Think Barley!”

Posted by Daniel Mosquin at December 10, 2005 4:18 AM

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Comments

Fascinating - and a great photograph.

Posted by: Knox M. Henry at December 10, 2005 6:58 AM

Rehderodendron macrocarpum - Z8, RHS Index of Garden Plants, Griffiths

Posted by: Beverley at December 10, 2005 7:51 AM

Lightweight fruits said to act as floats, disperse seeds via water.

Posted by: Ron B at December 10, 2005 11:50 AM

Please share your comments about the photograph(s) and accompanying write-up. Telling a story about the subject of the photograph(s) is also much appreciated! If you have a gardening question, the best place to ask is on the UBC Botanical Garden Forums. Thank you!

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