Parartocarpus venenosus Becc.

Species

Angiosperms > Rosales > Moraceae > Parartocarpus

Characteristics

Tree up to 35 m tall, sometimes with low buttresses. Leafy twigs 3-7 mm thick, sparsely to rather densely whitish to brown appressedly puberulous. Leaves spirally arranged; lamina elliptic to obovate to subobovate to narrowly obovate, 4-20(-30) by 2.5-8(-10), coriaceous, apex rounded to short-acuminate, base rounded to cuneate or to subcordate, margin entire, flat or slightly (sometimes distinctly) revolute; upper surface (sparsely) whitish puberulous, mainly on the main veins to subglabrous, smooth (or scabrous); lower surface sparsely to rather densely whitish ± appressedly puberulous on the veins to subglabrous, smooth (or scabrous); midrib slightly impressed to flat above, lateral veins 6-16 pairs, tertiary venation scalariform to reticulate; petiole 1.5-5.5 cm long, sparsely to rather densely whitish puberulous; stipules 0.2-0.4 cm long, whitish puberulous, caducous. Staminate inflorescences axillary, solitary, capitate; peduncle 2-5.5 cm long, sparsely whitish puberulous; head globose to obovoid, 1.5-3 cm diam.; involucral bracts 3-4(-8), ovate, 0.2-0.6 cm long, puberulous or subglabrous; processes apiculate to conical, umbonate, or ± cushion shaped and depressed in the centre, 0.5-1.5 mm long, glabrous; stamens (1 or) 2 (or 3), 6-8 mm long, filaments partly connate or free, anthers 1.5-2.5 mm long, apiculate or not. Pistillate inflorescences axillary, solitary, capitate; peduncle 3-10 cm long, brown tomentose to puberulous; head globose, 2-3.5 cm diam.; involucral bracts 3-4(-8), ovate, 0.2-0.6 cm long, puberulous or subglabrous; flowers numerous; processes apiculate to conical, umbonate, 0.5-3 mm high, connate in groups of 2-4 or free, glabrous or minutely puberulous to muriculate; stigmas tongue-shaped, 1-1.5 mm long, acute. Infructescences subglobose, 5-18 cm diam., ± lobed, with numerous fruits; processes conical to aculeate or cushion shaped and apiculate or depressed in the centre to discoid, up to 10 mm long.
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A medium sized tree up to 35-45 m tall with milky sap. The trunk is 45 cm across. The bark is yellow or grey-brown. It is papery and scaly. The twigs are 3-8 mm thick. The leaves are alternate and oblong and pointed at the tip. They are leathery. They can be rounded or pointed at the base. They are 8 to 15 cm long and 5 to 7 cm wide. They are smooth on the upper surface and can have hairs on the veins underneath. The flowers are borne in the axils of the leaves. Flowers are separately male and female but both on the one tree. Male heads are round and 15-30 mm across. They are covered by close, hard spines. The flower stalk is 12-35 mm long. The fruit is a cluster of "seeds" forming a rough checkered head about 18 cm across. The "seeds" are about 3 cm long. The fruit is brown on the outside and yellow inside and irregular in shape.
Life form -
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality -
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Mature width (meter) 0.45
Mature height (meter) 35.0
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Nitrogen fixer -
Photosynthetic pathway c3

Environment

A tropical plant. They occur in central and southern Luzon, Mindoro, Samar and Leyte in the Philippines. The subspecies that occurs in Papua New Guinea occurs from 5 to 1000 m altitude. It occurs in humid forest.
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Hardiness (USDA) 9-12

Usage

The seeds are eaten either raw or cooked. The ripe fruit is edible. They are very dry so a drink is needed with them. CAUTION The sap of the tree is often used as an arrow poison. The unripe seeds are poisonous.
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UsesThe latex is used as arrow poison. The ripe infructescence is (said to be) edible; unripe seeds are poisonous.
Uses eating medicinal poison
Edible fruits seeds
Therapeutic use Sore (unspecified), Wound (unspecified), Canicide (unspecified)
Human toxicity -
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Cultivation

It grows wild. It can be grown from seed. Seeds are distributed naturally by flying foxes.
Mode seedlings
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Distribution

Parartocarpus venenosus world distribution map, present in Brunei Darussalam, Hong Kong, Indonesia, Iceland, Philippines, Papua New Guinea, Russian Federation, Singapore, Solomon Islands, and Thailand

Identifiers

LSID urn:lsid:ipni.org:names:854869-1
WFO ID wfo-0000473909
COL ID 762SH
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Parartocarpus woodii Parartocarpus venenosus Parartocarpus involucrata Parartocarpus borneensis Parartocarpus excelsa Parartocarpus microcarpus Parartocarpus papuana Parartocarpus triandrus Artocarpus forbesii Artocarpus riedelii Artocarpus woodii Gymnartocarpus triandra Gymnartocarpus venenosa Gymnartocarpus woodii Artocarpus venosa Parartocarpus beccariana Saccus tylophyllus Artocarpus involucratus Artocarpus tylophyllus Artocarpus venenosus Saccus forbesii