Arthrophyllum crassum

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Arthrophyllum crassum


Sparingly branched shrub or small tree up to 8 m, occasionally epiphytic, all young parts with dense, rufous tomentum which persists on the flowers and inflorescence. Leaves multijugate, up to 100 (or more) by 50 cm, occasionally with 4 leaflets inserted at some of the lower articulations; Inflorescence a cluster of specialized leafy branches forming a terminal crown; Petals 5, broadly triangular, c. 2 mm long. Stamens 5, anthers curved. Ovary turbinate, rufous-tomentose, c. 1.5 mm long at anthesis; Fruit spheroidal, c. 6 by 5 mm (when dry), calyx and stylopodium prominent.


Asia-Tropical: Borneo present (Kalimantan present, Sarawak present)
Malesia: Borneo (Sarawak and Kalimantan).


The leaves associated with the inflorescence are distinctively fleshy, have a strongly revolute margin and a smooth lower surface with indistinct lateral veins, and are ovate with rather acute apex. The leaflets of the pinnate leaves on the vegetative shoots are also rather leathery with indistinct lateral venation.