Hernandia sonora
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Hernandia sonora |
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Hernandia sonora | ||||||||||||
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Hernandia sonora is a tree in the Hernandiaceae family from central to southern Mexico and the Caribbean .
description
Hernandia sonora grows as a fast-growing, evergreen tree up to about 18–20 meters high. The trunk diameter reaches 40–60 centimeters. The bark is gray-brown and slightly cracked.
The simple, long-stemmed and bare leaves are arranged alternately at the branch ends. The petiole is 10-15 centimeters long. The slightly leathery, more or less shield-shaped leaves are entire and broadly ovate, they are 14-25 centimeters long and 9-17 centimeters wide. At the tip they are pointed or pointed to pointed and the base of the leaf is truncated to rounded and sometimes slightly heart-shaped. The nerve is palmate.
Hernandia Sonora is monoecious monozöisch . Long-stemmed thyrses are formed and the flowers are grouped in threes, zymos, one female and two male flowers are always on 4 velvety, hairy, long and greenish bracts . Further small bracts are formed on the seitan axes. The threefold and white, short-stalked flowers with a simple flower envelope are unisexual, the tepals are in two circles. The more or less velvety hairy tepals are each 4–5 millimeters long. The female flowers are cup-shaped to overgrown bracts and have a single-chamber, under constant ovary with short, thickened at the top of pen with mushroom-shaped scar and a discus . The male flowers have 3–4 short stamens with two glandular appendages each on the base.
There are blackish, and about rippige ovoid to ellipsoidal, 2-3 centimeters long stone fruits in an inflated, green-yellow to yellow, about 5-6 centimeters large bag, balloon, with rounded opening at the top, from the conjoined, fleshy bracts educated.
literature
- K. Kubitzki , Jens G. Rohwer , Volker Bittrich: The Families and Genera of Vascular Plants. Vol. II: Flowering Plants Dicotyledons , Springer, 1993, ISBN 978-3-642-08141-5 (Reprint), p. 337.
- Pacific science. Vol. XIV, No. 1, 1960, pp. 314, 317 f, 327, online biodiversitylibrary.org.
- Harri Lorenzi: Árvores Brasileiras. Vol. 3, Instituto Plantarum, 2009, 2011, ISBN 85-86714-33-7 , p. 169, online at StuDocu.
Web links
- Hernandia sonora at Useful Tropical Plants.