Maranthes goetzeniana (Engl.) Prance

Extinction risk predictions for the world's flowering plants to support their conservation (2024). Bachman, S.P., Brown, M.J.M., Leão, T.C.C., Lughadha, E.N., Walker, B.E. https://nph.onlinelibrary.wiley.com/doi/full/10.1111/nph.19592

Conservation

Predicted extinction risk: not threatened. Confidence: confident

Chrysobalanaceae, F. White. Flora Zambesiaca 4. 1978

Morphology General Habit

Medium sized to large evergreen tree (12)20–35 m. tall, with a wide, rounded crown.

Morphology General Bark

Bark grey or grey-black, more or less smooth.

Morphology Leaves

Leaf-lamina up to 15 x 8 cm., mostly elliptic or oblong-elliptic, apex suddenly and acutely acuminate, acumen 1–1·5 cm. long, base rounded or acute, lower and upper surface completely glabrous, venation reticulate, not prominent; petiole (0·4)0·6–0·9 cm. long; stipules 0·4 x 0·25 cm., caducous.

Morphology Reproductive morphology Inflorescences

Inflorescence a terminal corymbose panicle up to 15 x 25 cm.; inflorescence-axes and outside of flower grey-tomentellous; bracts c. 0·5 cm. long, boat-shaped, keeled; pedicel gradually expanded into receptacle-tube the two together 0·8–1·0 cm. long.

Morphology Reproductive morphology Flowers Receptacle

Receptacle-tube slightly curved, obconoidal, 0·5–0·6 cm. long.

Morphology Reproductive morphology Flowers Calyx

Sepals 0·3–0·4 cm. long.

Morphology Reproductive morphology Flowers Corolla

Petals up to 0·8 cm. long, white.

Morphology Reproductive morphology Flowers Androecium Stamens

Stamens c. 50; filaments c. 1·5 cm. long, white.

Morphology Reproductive morphology Flowers Gynoecium Pistil

Ovary densely tomentose; style c. 1·5 cm. long.

Morphology Reproductive morphology Fruits

Drupe up to 4·5 x 2·5 cm., obovoid, glabrous.

Rosaceae, R. A. Graham. Flora of Tropical East Africa. 1960

Morphology General Habit

An evergreen tree, 25–50 m. high, with reddish-brown bark and a ± spreading rounded crown.

Morphology Leaves

Leaves coriaceous, elliptic to oblong-elliptic, 8–15 × 4–6.5 cm., acuminate, basally broadly cuneate, brownish-green, glabrous and somewhat shining above, matt beneath; primary nerves 8–10.

Morphology Reproductive morphology Inflorescences

Inflorescence a much branched broadly corymbose greyish panicle up to 12 cm. broad, seldom exceeding 8 cm. long; young branchlets and pedicels covered with thick grey or greyish-brown appressed or erect-patent hairs.

Morphology Reproductive morphology Flowers

Flowers white or greenish-white, 9–11 mm. long (from the joint in the pedicel to the tips of the sepals).

Morphology Reproductive morphology Flowers Calyx

Calyx turbinate, fleshy, tomentose, not or scarcely narrowed at the base, the lobes 4–5.5 mm. long, rounded or very broadly oblong.

Morphology Reproductive morphology Flowers Corolla

Petals broadly oblong, concave, 7–8(?–10) mm. long.

Morphology Reproductive morphology Flowers Androecium Stamens

Fertile stamens many, the filaments tortuous, ± 15 mm. long; staminodes very short, up to 1 mm. long, sometimes scarcely discernible.

Morphology Reproductive morphology Flowers Gynoecium Pistil

Ovary shaggy with long yellowish hairs; style ± 15 mm. long, fleshy.

Morphology Reproductive morphology Fruits

Drupe edible, black when ripe.

Figures

Fig. 7/1, 2.

Habitat

Evergreen rain-forest; about 900 m.

Distribution

T3 apparently confined to the E. Usambara Mts.