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Cartrema Raf.

Protologue: Sylvia Tell. 184 (1838)

Type species: Olea americana L. = Osmanthus americanus (L.) Benth. & Hook. f. ex A. Gray

Synonyms: Amarolea, Osmanthus sect. Leiolea

Distribution: North America (USA and Mexico) and SE Asia

Number of species: 7

Description (from Nesom 2012): Shrubs, (1–)2–3(–4) m, occasionally characterized as a "small tree." Stems: usually 2 or more from the base, sometimes branching near the ground, rarely with a single axis; bark gray-brown to light gray or silvery, smooth, becoming finely scaly. Leaves persistent, elliptic to ellipticoblanceolate or oblanceolate, 5.5–12 cm x 20–40(–50) mm, base cuneate to attenuate, margins entire, revolute, apex acute to short-acuminate or obtuse, glabrous on both surfaces; petioles 3–10 mm. Inflorescences axillary, 12–20-flowered. Pedicels 0–1 mm. Flowers unisexual or rarely bisexual; corolla white to yellow, tube 2–3 mm, lobes 1.5–2.5 mm, ca. equal tube length, plane to loosely involute. Drupes dark bluish purple to nearly black, subglobose to broadly ellipsoid or ellipsoidobovate, 18–25 mm at maturity (dried).

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