Coprosma

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Taxonavigation

Ordo: Gentianales
Familia: Rubiaceae

Name

Coprosma J. R. Forster & G. Forster – Wikispecies link – Pensoft Profile

Description

Shrubs, multi-branched, erect, occasionally creeping and sometimes rooting at the nodes or occasionally trees, often foetid when bruised. Leaves simple, opposite or rarely ternate, margins entire, petiolate or sessile; stipules interpetiolar, distinct or partly connate, entire or dentate with toothlike marginal colleters. Flowers unisexual (and the plants dioecious or rarely monoecious), rarely polygamous or in one species perfect, axillary, solitary or in cymes; calyx 4–5(–10)-toothed, often reduced or absent in male flowers; corolla funnelform or campanulate, 4–5(–10)-lobed, lobes valvate in bud; stamens 4–5(–10), inserted at base of corolla tube; filaments long-exserted, erect or pendulous; ovary 2(–4)-celled, ovule 1 per cell, basal, anatropous; style 2(–4)-lobed, divided nearly to base; stigmas long-exserted, papillose-hirsute. Fruits drupaceous, juicy, ovoid to globose, with 2(–4), 1-seeded, plano-convex pyrenes.

Key to species of Coprosma in the Marquesas Islands

Key to species of Coprosma in the Marquesas Islands — W. Wagner , D. Lorence

1a		Leaves ternate, chartaceous    4. Coprosma nephelephila
1b		Leaves opposite, thin- to thick-coriaceous    2
2a		Petioles 0–0.1 cm long; Leaf blades with secondary and higher venation obscure, only the midvein conspicuous    3. Coprosma meyeri
2b		Petioles 0.3–1.7 cm long; leaf blades with secondary and higher venation conspicuous, reticulate    3
3a		Leaves 0.9–1.8 cm wide, narrowly elliptic    2. Coprosma fatuhivaensis
3b		Leaves 2.0–6.0 (–13.0) cm wide, oblanceolate, oblong, or elliptic-oblanceolate    4
4a		Lower surface of leaves strigose along the veins; leaves thick-coriaceous    1. Coprosma esulcata
4b		Lower surface of leaves glabrous; leaves thin-coriaceous    5
5a		Leaves 5.1–9.1 × 2.1–3.6 cm; stipules 1.5–3 mm long    6. Coprosma temetiuensis
5b		Leaves 8.5–19.7 × 3–13 cm; stipules 3–5 mm long    5. Coprosma reticulata

Taxon Treatment

• Wagner, W; Lorence, D; 2011: Revision of Coprosma (Rubiaceae, tribe Anthospermeae) in the Marquesas Islands PhytoKeys, 4: 109-124. doi