1 | Lower leaf surface seemingly glabrous, though actually with (sub)persistent, dense, ± flat, tightly interwoven hairs, silky to the touch. Leaves stout. |
1' | Lower leaf surface either glabrous (glabrescent), or with indumentum not silky to the touch. Leaves large or small. |
2 | Bark of twigs longitudinally cracking, when older flaking. |
2' | Bark of twigs neither cracking nor flaking. |
3 | Twigs 4-12 mm diam. Buds 6-10 mm long. Fruits 2.5-8 cm long. |
3' | Twigs 2-4 mm diam. Buds 5-8 mm long. Fruits 1.5-2.5(-3) cm long. |
4 | Hairs on twigs (3-)5-8 mm long, those of flowers 1-3 mm long, of fruits 5-13 mm long. |
4' | Hairs shorter. |
5 | Pedicel 1.5-2 mm long. Fruits 2.5-3.5 cm long, fruiting pedicel 2-5 mm long. |
5' | Flowers not known. Fruits 4-4.5 cm long, fruiting pedicel 18-25 mm long. |
6 | Lower leaf surface with dark dots, usually on the smaller veins. |
6' | Lower leaf surface without dots. |
7 | Lower leaf surface with sparse scale-like hairs 0.1 mm long. |
7' | Lower leaf surface with hairs (0.2-)0.3-l mm long. |
8 | Leaves 3.5-15(-20) cm long, membranous or chartaceous, drying greenish or brown. Twigs (0.5-)l-2 mm diam., early glabrescent, often yellowish. Fruits often glabrescent, 2-5 cm long. Anthers 9-25(-30), closely appressed. |
8' | Leaves small or large, membranous or coriaceous, greenish or brown. Twigs slender or stout, drying brown or blackish. Fruits variable. Anthers not tightly appressed. |
9 | Hairs on twigs and flowers (0.1-)0.2 mm long or more; hairs often comparatively short in K. globularia and K. pseudolaurina, both with striate twigs. |
9' | Hairs on twigs and (usually) flowers, 0.1-0.2 mm long or less; hairs comparatively long in K. rubens, a species with twigs ± flattened. |
10 | Buds 8 mm long, inside with a conspicuous disc at base; perianth persistent in fruits. |
10' | Buds 4-10 mm long, without disc at base; perianth not persistent in fruits. |
11 | Twigs striate, l-2(-2.5) mm diam. Leaves 6-18(-24) cm long, drying with a blackish metallic lustre above; lower surface late glabrescent, at first with hairs 0.1 mm long. |
11' | Twigs striate or not, 1.5—6(—10) mm diam. Leaves 9-40(-55) cm long, without a blackish metallic lustre; lower surface glabrescent or with persistent hairs 0.2 mm long or more. |
12 | Twigs flattened or bluntly 2- or 3-angular. Leaves (lens!) pitted above (like the surface of the peel of an orange). Fruits usually beaked at apex |
12' | Twigs ± terete. Leaves not pitted. Fruits not beaked. |
13 | Leaves early glabrescent beneath. |
13' | Leaves with persistent indumentum beneath. |
14 | Twigs (4-)5-8 mm diam. Leaves 15-55 cm long. Buds 8-10 mm long. Fruits 3-6 cm long, with hairs (0.5-)l-2 mm long. |
14' | Twigs 1.5-4 mm diam. Leaves 9-35 cm long. Buds 5(-6) mm long. Fruits 2.5-4 cm long, rather glabrescent, hairs 0.3-0.5 mm long. |
15 | Buds 6-8 mm long, with hairs 0.1-0.5 mm long. Fruits (2.5-)3-4(-5) cm long. Hairs on lower leaf surface stellate-dendroid, of mixed sizes |
15' | Buds 4-6 mm long, with hairs 0.5-l(-2) mm long. Fruits 1.5-2.5 cm long. Hairs on lower leaf surface ± equal, stalked-dendroid (of mixed sizes in var. heteropilis). |
16 | Twigs flattened, with hairs 0.1-0.2 mm long. Leaves early glabrescent beneath, except the basal part of the midrib. |
16' | Twigs terete, with hairs 0.1-0.2 mm long or less. Leaves glabrescent or with persistent indumentum beneath. |
17 | Leaf base rounded or cordate. Lower leaf surface glabrescent, or with weak hairs 0.1-0.2 mm long. Fruits ellipsoid, (3-)4-6 cm long; fruiting pedicel (2-)5-12 mm long. |
17' | Leaf base rounded or attenuate (rarely (sub)cordate in K. rigidifolia with coriaceous leaves and K. scortechinii with coriaceous leaves and with subpersistent indumentum beneath). Lower leaf surface glabrescent or with a variable indumentum. Fruits to 4 cm long; fruiting pedicel variable. |
18 | Lower leaf surface glabrescent, at first with weak greyish hairs 0.1 mm long or less. |
18' | Lower leaf surface late glabrescent or with (sub)persistent hairs 0.1-0.4 mm long, sometimes remaining on and near midrib and nerves (completely glabrescent, with distinct hair scars, in K. rigidifolia). |
19 | Leaves 6-20(-25) by 2-5.5(-ll) cm. Fruits 1.8-3(-4?) cm long. |
19' | Leaves 12-30 by 4.5-12 cm. Fruits 3-4 cm long. |
20 | Leaves coriaceous. Fruits (sub)globose, 3-4 cm diam.; fruiting pedicel 1-3 mm long. |
20' | Leaves membranous or chartaceous, or ± coriaceous in K. scortechinii and K. pa-tentinervia. Fruits ellipsoid, of variable sizes; fruiting pedicel (3-)4-20 mm, in K. andamanica 0.5-7 mm long. |
21 | Lower leaf surface largely glabrescent, hairs 0.1-0.4 mm long, persistent on and near midrib and nerves. Style slender, stigma lobes erect, together 1.5(-2) mm long. Male buds ellipsoid or pear-shaped. Anthers 6 or 7. |
21' | Lower leaf surface with conspicuous or inconspicuous (sub)persistent indumentum. Style shorter or absent, stigma lobes ± spreading. Male buds subglobose. Anthers 6-18; 6-11 in K. stenophylla, 7-9 in K. communis. |
22 | Leaves with ± conspicuous rather dense stellate-dendroid hairs 0.2 mm long beneath (old leaves glabrescent). Venation distinct above, with aréoles 0.5 mm diam. or less. |
22' | Leaves either with sparse hairs 0.2 mm long or less, or with sparse or dense scalelike hairs 0.1 mm long or less. Venation distinct or indistinct above; aréoles 0.5 mm diam. or more. |
23 | Twigs 1—2(—3) mm diam., smooth, not wrinkled. Fruits 1.5-2.2 cm long. |
23' | Twigs (1.5-)2-4 mm diam., often wrinkled. Fruits 2-2.5 cm long. |
24 | Fruits 1.5-1.8 cm long. Buds 4 mm long; inside reddish (?). Leaves (oblong-)lanceolate, broadest usually at the middle; base cuneate. |
24' | Fruits 1.8-2.2 cm long. Buds 4-5.5 mm long; inside greenish creamy to yellowish. Leaves oblong to lanceolate, broadest usually below the middle; base rounded or cuneate. |
25 | Leaves thinly coriaceous, glossy above. Lateral nerves ± patent; nerves and venation on upper surface flat or sunken, indistinct. [Perianth inside yellowish (always?).]. |
25' | Leaves membranous or chartaceous, usually dull above. Lateral nerves less patent; nerves and venation distinct or not above. |
26 | Lateral nerves and venation sunken, flat, or raised, distinct or indistinct above. Perianth inside creamy or yellowish (always?). Fruits at base rounded or sometimes attenuate; hairs scale-like, 0.1 mm long or less. |
26' | Lateral nerves and venation raised and distinct above. Perianth inside creamy. Fruits narrowed at base; hairs 0.2-0.4 mm long. |