Hexalobus A.DC.

Evergreen or deciduous trees or shrubs up to 40 m tall; bark rough or smooth, fissured or flaking, brown to greyish-black; twigs grey to brown, sparsely to densely hairy when young. Leaves: petiole densely to sparsely hairy; leaf blade narrowly elliptic to ovate or obovate, apex obtuse to acute or acuminate, sometimes slightly emarginate, base cordate to attenuate; upper surface often slightly glossy, glabrous or occasionally sparsely hairy, lower surface glabrous to densely covered with appressed to erect, straight or curly hairs; midrib impressed above, glabrous or sparsely to densely covered with light-brown hairs above, below prominent, covered with appressed or rarely erect, brownish or whitish hairs, sometimes glabrous; secondary veins 5-19 on each side of the midrib, curved upwards, each joining with the next distal vein and often forming a distinct loop; tertiary venation closely reticulate, varying from distinct to indistinct on both surfaces. Flowers bisexual, solitary or clustered in groups of two or three, terminal on an axillary short shoot on leafy or leafless branches, or emerging from the trunk, usually fragrant; buds ovoid to almost globose; flower stalk bearing bracts and often developing a vegetative shoot; bracts several, up to 6, attached to the lower part of the flower stalk, usually alternating, often partly clasping, decreasing in size towards the base, soon falling, outside densely covered with appressed, usually rusty-brown hairs of 0.1-1 mm long, inside glabrous to sparsely hairy, towards the margins densely covered with < 0.1 mm, often curly hairs, two uppermost bracts almost at the same level near the articulation and enclosing the bud when young, these free or fused at their base and then forming a short tube, broadly ovate to round with acute tip; sepals 3, valvate, free or shortly connate at the base, convex, broadly ovate to ovate with acute tip, fleshy, outside covered with indumentum similar to that of the bracts, inside densely set with minute warts when dry, covered with appressed or curly, light-coloured, minute hairs; petals connate at base, forming a short tube with 6 distinct, equal or slightly unequal lobes which are narrowly lanceolate, rounded at apex and fleshy, with prominent veins, cream to yellow, sometimes with dark red or purple basal rim, transversally folded in bud, margins crinkled; torus cylindrical, flat or concave; stamens numerous, free, 1-8 mm long, narrowly obtriangular or oblong, extrorse, glabrous, connective appendage often elongated, discoid, sometimes with an apical depression or oblique, slanting up towards the adaxial side or semi-globose; carpels 1-16, densely hairy; stigma fleshy, essentially flat but with inrolling lateral margins appearing bilobed, hairy except on the inner and upper side. Monocarps 1-5 (-8), subsessile or on a short stipe, obovoid, ellipsoid to cylindrical, rarely transversally ellipsoid, sometimes constricted between the seeds, rounded at both sides; seeds 2-36, lateral, biseriate or rarely in 1 row, slightly flattened, ellipsoid to broadly ovoid, orange-brown to medium brown, dull to slightly shiny, glabrous, raphe flat or raised, often slightly darker brown, ruminations lamellar, divided in an upper and lower part.