28. Rubiaceae

Fadogia cienkowskii Schwenf. var. cienkowskii Verdcourt = F. katangensis De Wild. Geoxylic su rutex (White, 1976).Woody tillering plateau shallowly under the soil surface. Stems up to 60 cm tall, in clusters. A er re there were observed their not burned parts and some not burned fruits.Flowers and fructi cation in September, but mainly in October and a erwards, also in January and February. Ŀe seedlings 13 cm high were noticed in May (on Plot 2). Tap root woody, in the upper parts up to 5 (10) mm thick, in all probability going deep. Hemicryptophyte? Tab. 3 – Appendix 1; Fl. Zamb.: Su rutex 0.3–1.2 m tall, stems simple, few to several (15) from the apical parts of a branching woody rhizome.

Gardenia subacaulis Stapf & Hutch. Geoxylic sy rutex (White, 1976).Plant of nearly acaulescent erect parts of stems up to 6–10 cm high. Sprouting and blossom soon a er con agration. Flowers as well as fruits in September (Plot 1) and a erwards till January (February), later mainly fruits. Ŀey are relatively large, re resistant and can lay on the soil surface one year (and – may be – for a longer time). Leaves a er owers, in clusters. Perennial woody underground axes up to 1.3 cm thick and long, situated nearly horizontally, about 10 cm below the soil surface (excavated up to 30 cm and broken). Hemicryptophyte or geophyte (cfr. Medwecka-Kornaś, 1980 – there slightly di erent phenological observations from the other sites). Tab. 3 – Appendix 1, Fig.28a, b, Fig. 29a – Appendix 2; Fl. Zamb.: Small shrub or subshrub 15–60 (100) cm tall with decumbent or erect divaricate shoots from a long many-headed rhizome; White (1962): Rhizomatous su rutex, up to 15 cm high.

Psychotria cfr. spithamea S. Moore. Geoxylic su rutex (White, 1976), shoots 20 cm high, found with some remnants of old, burned o parts. Leaves in the rainy season, owers then in December and January, fruits noticed until March. Long creeping rhizomes about 0.4 cm in diameter, thickened in some parts (excavated up to 26 cm), wooden roots not deep in the soil. Phanerophyte or hemicryptophyte. Tab 3, Fig. 29b – Appendix 1, 2, Fig. 30; Fl. Zamb.: Subshrub with several stems 10–50 cm tall from a mostly creeping woody rhizome.

Pygmaeothamnus zeyheri (Sond.) Robyns. Geoxylic su rutex (White, 1978), rhizomatous su rutex (White, 1976) su rutescent shrublet (West, 1972). Stems in some clusters, short, 20–30 cm high (e.g. 4–8 cm long below the leaves and 14–20 cm up to plant summits). Leaves and owering soon a er re, in August (on Plot 1) and later. Plants with fruits were found in September and October, and fruits were noticed in November as well as later, in March. Underground rhizomes, or branches occurred to be woody, in some parts horizontal, up to 1 cm in diameter. Chamaephyte or hemicryptophyte. Tab. 3, Fig. 31a – Appendix 1, 2, Fig. 32; Fl. Zamb.: Su rutescent herbs, mostly under 30 cm tall, with several to many stems from a woody rhizome.

Spermacoce dibrachiata Oliv. = Borreria dibrachiata (Oliv.) K. Schum. Annual herb (on the studied plots), stems about 60 cm tall, in clusters. Flowers and fruits in March and

owers, noticed on both studied plots, but

April; thin vertical root. Ŀerophyte. Plot 1, rec. 9, 10; Fl. Zamb.: Annual or sometimes biennial or perennial very variable herb 6–90 cm tall, with simple or sparsely branched stems. O en (…) rosette of leaves; rootstock o en swollen (…).