Olax mannii

Olax mannii


Olacaceae


Habit

Shrub


Fern

No


Predominant Habitat

Forest


Geographic Distribution

Liberia


IUCN Red-List

Not assessed


Synonyms

-


Author (Species)

Oliver


Rank

-


Taxon

-


Author (Sub Species/Variant)

-


Literature

FWTA 1: 647


Vouchers

Bos 1835 (K, WAG); Jongkind 5646 (WAG)


Common Name(s)

Not Known


Notes

Shrub to about 2 m tall. Leaves simple, alternate, tri-nerved at base. 4 – 5 pairs of laterals. Young twigs with lines or edges. Calyx enlarging in fruit, completely surrounding it. See Olax subscorpioidea..

Strombosia pustulata

Strombosia pustulata


Olacaceae


Habit

Tree


Fern

No


Predominant Habitat

Forest


Geographic Distribution

Liberia


IUCN Red-List

Not assessed


Synonyms

Strombosia glaucescens


Author (Species)

Oliver


Rank

-


Taxon

-


Author (Sub Species/Variant)

-


Literature

Fl. Cameroun 15: 137


Vouchers

Voorhoeve 75 (WAG); Voorhoeve 1225 (WAG)


Common Name(s)

Senien/ zen-nieh (Bassa) Woing-ti (Gio) Kpehlein/ Kpeilee (kpelle) sueh (Krahn) Swein (Sapo)


Notes

Common middle story tree of the rainforest, to 30 m and 60 cm Ø, locally abundant; base with sharp root spurs; stem straight and slender, crown small and dense; bark grey-black with numerous small corky lenticels, scaly with an irregular pattern, shed scales leaving a yellowish brown scar, giving the bark a camouflage effect; slash fairly hard, yellowish interspersed with fine stripes. Leaves simple, alternate, with entire margin, decurrent along petiole; acute/acuminate tip, ± rounded base; about 4 – 5 curved laterals. Venation ± scalariform? Fruit about 2cm Ø, fleshy, containing a nut with a coriaceous shell. Seedling with 3 first, nearly round, tri-nerved leaves. See also PROTA database. Syn.: Strombosia grandifolia/Strombosia glaucescens var. lucida. Note: a small erect treelet, only recorded from Liberia, is Strombosiopsis nana; petiole normal, margin entire, blade ± 3-nerved with 2 glands near de base; petiole winged.

Strombosiopsis nana

Strombosiopsis nana


Olacaceae


Habit

Tree


Fern


Predominant Habitat


Geographic Distribution


IUCN Red-List


Synonyms


Author (Species)

Breteler


Rank


Taxon


Author (Sub Species/Variant)


Literature


Vouchers


Common Name(s)


Notes

A small tree or treelet, or shrub, slightly resembling Strombosia pustulata, only known from Liberia. Leaves simple, alternate, petiole 1 – 1.5 cm, thickened at the top, slightly winged; margin entire, apex drip-tipped, mucronate. Blade ± 3-nerved with 2 glands near de base, venation ± scalariform. Flowers white, fruits red, 1.5 x 2 cm, with yellow stripes.

Aptandra zenkeri

Aptandra zenkeri


Olacaceae



Habit

Tree


Fern

No


Predominant Habitat


Geographic Distribution


IUCN Red-List


Synonyms


Author (Species)

Engl.


Rank


Taxon


Author (Sub Species/Variant)


Literature


Vouchers


Common Name(s)


Notes

Shrub or low-branched tree to 15 m and 25 cm Ø; tree rare in Ivory Coast, not yet recorded from Liberia. See also PROTA database. Leaves simple, alternate, with short, not articulated petiole; young twigs smooth, green for many months, with a minute wing on the last internode. Blade ovate/lanceolate, with 3 – 5 pairs of laterals; finer venation obscure. Margin entire, decurrent into petiole channel. Lower surfave slightly glaucous. Fruit ellipsoid, ± 23.5 cm, black, surrounded by the enlarged, pink, flower-like calyx of 5 – 8 cm across.

Ptychopetalum anceps

Ptychopetalum anceps


Olacaceae


Habit

Shrub


Fern

No


Predominant Habitat

Forest


Geographic Distribution

Upper Guinean Forest


IUCN Red-List

Not assessed


Synonyms

-


Author (Species)

Oliver


Rank

-


Taxon

-


Author (Sub Species/Variant)

-


Literature

FWTA 1: 647


Vouchers

Bos 2098 (BR, K, WAG); Jongkind 7119 (WAG)


Common Name(s)

Not Known


Notes

Common rainforest shrub with remarkable bright red cherry-like fruits. Branchlets acutely angled or strongly winged, especially towards the nodes. Leaves often cordate around twigs..;small tree;young twigs strongly winged towards the nodes;

Heisteria parvifolia

Heisteria parvifolia


Olacaceae


Habit

Tree


Fern

No


Predominant Habitat

Forest


Geographic Distribution

Liberia


IUCN Red-List

Not assessed


Synonyms

-


Author (Species)

Sm.


Rank

-


Taxon

-


Author (Sub Species/Variant)

-


Literature

FWTA 1: 645


Vouchers

Bos 2006 (BR, K, WAG); Jansen 2233 (BR, MO, WAG)


Common Name(s)

Not Known


Notes

Common small tree or shrub throughout the forest zone, rarely larger than 10 m and 10 cm Ø, with remarkable fruits: a single berry surrounded by a purplish-red, lobed collar (calyx) of about 4 cm Ø. Young twigs with two opposite wings. Leaves simple, alternate, with short petiole, elliptic – oblanceolate, with about 6 pairs of laterals Grey-white, sub-globose fruits of about 1.5 cm Ø. See also PROTA database.

Ongokea gore

Ongokea gore


Olacaceae


Habit

Tree


Fern

No


Predominant Habitat

Forest


Geographic Distribution

Liberia


IUCN Red-List

Not assessed


Synonyms

-


Author (Species)

(Hua) Pierre


Rank

-


Taxon

-


Author (Sub Species/Variant)

-


Literature

FWTA 1: 649


Vouchers

Bos 2694 (BR, K, WAG); Jongkind 6226 (WAG)


Common Name(s)

kwi (Gio) balla-tue (Krahn) angueuk (kuwi) (Liberian english/ local name/ trade name) Bebeyolen (Sapo)


Notes

Can grow into an emergent tree to 40 m and 120 cm Ø; base with heavy root swellings, sometimes extending in heavy, extending surface roots. Twigs slightly flattened or winged, especially below the nodes. Bark thick, smooth or finely scaly, often with numerous lenticels. Slash hard and granular, brittle, pale brown with a white cambium layer; it may make a rustling sound and collects a little clear sap. Leaves simple, alternate, venation obscure. Fruits partly covered by a greenish nap. Tree looks somewhat like Cassipourea nialatou. See also PROTA database.

Ximenia americana

Ximenia americana


Olacaceae


Habit

Tree


Fern

No


Predominant Habitat

Grassland


Geographic Distribution

Liberia


IUCN Red-List

Not assessed


Synonyms

-


Author (Species)

L.


Rank

-


Taxon

-


Author (Sub Species/Variant)

-


Literature

FWTA 1: 646


Vouchers

Jansen 2462 (WAG); Stoop – v.d. Kasteele 240 (WAG)


Common Name(s)

Komu (belle) Monkey apple (Liberian english/ local name/ trade name)


Notes

Small spiny tree of dry vegetation, including coastal savannas; sharp single spines of 1 cm long in leaf axils of zigzag twigs. Leaves ovate with about 5 curved laterals, entire margin.The tip may be finely remarginate or mucronate. Small, yellow, edible fruits with a hard stone.

Strombosiopis nana

Strombosiopis nana


Olacaceae


Habit

Shrub


Fern

No


Predominant Habitat

Forest


Geographic Distribution

Liberia (endemic)


IUCN Red-List

Not assessed


Synonyms

-


Author (Species)

Breteler


Rank

-


Taxon

-


Author (Sub Species/Variant)

-


Literature

Kew Bull. 56: 751


Vouchers

Linder 1497 (A, K, WAG); van Harten 131 (WAG)


Common Name(s)

Not Known


Notes

A small tree or treelet, or shrub, slightly resembling Strombosia pustulata, only known from Liberia..;small glands at base of blade;small tree;

Octoknema borealis

Octoknema borealis


Olacaceae


Habit

Tree


Fern

No


Predominant Habitat

Forest


Geographic Distribution

Upper Guinean Forest


IUCN Red-List

Not assessed


Synonyms

-


Author (Species)

Hutch. & Dalziel


Rank

-


Taxon

-


Author (Sub Species/Variant)

-


Literature

FWTA 1: 656


Vouchers

de Gier 135 (WAG); Leeuwenberg 4778 (K, P, WAG)


Common Name(s)

Trentueh (Sapo)


Notes

Tree to 30 m and 50 cm Ø; bole cylindrical with a distinct taper; in rainforest and swampy areas, along rivers and in gallery forest. Bark light grey-brown, smooth, thin, flaking with a pale yellowish-greenish slash. Densely brown-pubescent twigs with stellate hairs. Petiole 2 – 3 cm, densely pubescent, with apical pulvinus. Leaves simple, alternate, 10 – 27 x 4 – 11 cm, elliptic – obovate; apex obtuse/acuminate; base rounded – cuneate; margin entire; 6 – 9 pairs of laterals. Venation finely and laxly scalariform. Fruits about 1.5 cm Ø, subglobular, capped by the broad persistent calyx lobes, orange-red when ripe, with white stellate hairs. Note: two new species may have been found in Liberia, one with the rather unique characteristic of slightly peltate leaves. More material needed.