1 | Leaves tapering upwards from a wide base, glaucous |
1' | Leaves tapering at both ends, rich green |
2 | Inflorescences lax, terminal, many-flowered, exceeding the leaves; leaves 3-8 cm long, 0.5-3 cm wide; black fruit with pallid rhaphides |
2' | Inflorescences axillary, few-flowered, usually shorter than, or equalling the leaves; leaves 0.8-5 cm long, 0.2-1.5 cm wide; black fruit without obvious rhaphides |