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Species information Abo ut Reso urces Hom e A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Cecropia peltata Click on images to enlarge Family Urticaceae Scientific Name Cecropia peltata L. Linnaeus, C. von (1759) Systema Naturae, Editio Decima 2: 1286. Type: Jamaica. Common name Leaves and inflorescence. Copyright ATH Trumpet Tree; Snakewood Weed * Stem Fast growing tree to 20 m tall. Stems distinctly hollow, sometimes with pores that enable ants to enter and nest. Stilt roots may be present from 1 m up trunk. Leaf scars are obvious. Leaves Leaf underside. Copyright ATH Large leaves resembling paw-paw, with 12 deep lobes up to halfway towards base, margins wavy. Midrib distinctly raised near base but flat towards midle and apex. Underside pale, minutely hairy; top side darker, scabrous. Stipules large, bifurcate, hairy, to 15 cm long, green turning pale brown when about to fall. Base of petiole is swollen and has a mass of glands turning black with age, where ants feed. Flowers Male and female flowers occur on different plants. Male flowers in umbellate culsters of spikes 10-18 cm Inflorescence. Copyright ATH long in culsters of 3-9. Female flowers in spikes 17-30 cm long, in clusters of 2-4. Fruit Fruit cylindrical, ovoid to oblong-ovoid, somewhat flattened, 3.3-3.7 mm long, with soft, sweet flesh around many small seeds. Seedlings Features not available. Bud and leaf sheath. Copyright ATH Distribution and Ecology A serious weed with records of naturalised plants in NEQ, mainly near Mission Beach. Occasional garden plants are found in Cairns, Mackay and Brisbane. Most likely to be found in wetter habitats such as riparian zones and dry rainforest remnants. Natural History & Notes Introduced Class 1 weed species, rarely naturalised in North Queensland. Occasional garden plants are Stem cross-section. Copyright ATH found in Cairns, Mackay and Brisbane. Qld Govt (2008). Tree X RFK Code 1179 CC-BY Australian Tropical Herbarium unless otherwise indicated in the images. Habit. Copyright ATH .

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The Status of Cecropia (Urticaceae) Introductions in Malesia: Addressing the Confusion
Blumea 57, 2012: 136–142 www.ingentaconnect.com/content/nhn/blumea RESEARCH ARTICLE http://dx.doi.org/10.3767/000651912X657567 The status of Cecropia (Urticaceae) introductions in Malesia: addressing the confusion B.J. Conn1, J.T. Hadiah2, B.L. Webber3 Key words Abstract As part of the great global movement of plants in the 18th and 19th centuries, many valuable and com- mercial plants were sent from the Neotropics to Europe as seeds or as live specimens. Cecropia (Urticaceae) alien was in cultivation in England in 1789, yet species delimitation was not well-understood until much later, long after Cecropia subsequent introductions to other tropical regions where alien populations are now invasive. The earliest record of Indonesia Cecropia being cultivated in Malesia is based on material of C. peltata thought to have been sent from the Royal invasion history Botanic Gardens Kew to ’s Lands Plantentuin (Buitenzorg) in Jawa, Indonesia, sometime between 1862 and early Jawa 1868. In 1902, C. peltata was first cultivated in the botanical gardens of Singapore and introduced to Peninsular Malaysia Malaysia in 1954. The source of these latter introductions is uncertain. Many researchers have assumed that plant identification C. peltata is the only species of Cecropia introduced in Indonesia, Malaysia and Singapore. We confirm that Singapore C. peltata is naturalised in Singapore and is invasive on the island of Jawa, Indonesia, and in Peninsular Malaysia. Urticaceae However, a second introduced species, C. pachystachya, has also been discovered as invasive in both Jawa and Singapore. There is no evidence for the third previously introduced species, C.
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