Lysimachia tenuicaulis (Baker) U.Manns & Anderb.

Primulaceae, P. Taylor. Flora of Tropical East Africa. 1958

Morphology General Habit

Perennial; stems decumbent, branched or rarely simple, distinctly winged, up to 40 cm. long.

Morphology Leaves

Lower leaves opposite or subopposite, upper alternate, sessile or subsessile, broadly ovate, acute or shortly acuminate, basally rounded or subcordate, 3–10 mm. long.

Morphology Reproductive morphology Flowers

Flowers in few- to many- flowered terminal racemes up to 15 cm. long; pedicels spreading, filiform, up to 15 mm. long.

Morphology Reproductive morphology Flowers Calyx

Calyx-segments 5, lanceolate, acuminate, 2.5–3.5 mm. long, 5-nerved.

Morphology Reproductive morphology Flowers Corolla

Corolla subcampanulate, white, subpersistent in fruit; lobes 5, narrowly oblong; apex truncate, shortly mucronate to tridentate, 4–5 mm. long, 5-nerved.

Morphology Reproductive morphology Flowers Androecium Stamens

Filaments filiform, bearded in the lower half. Anthers oblong, obtuse, 0.4–0.7 mm. long, Capsule about 1.5 mm. in diameter.

Morphology Reproductive morphology Seeds

Seeds 0.5–0.6 mm. long.

Habitat

Bogs, swamps and damp grassland; 1000–1800 m.

Distribution

K3 K5 T5 T8 U1 U3 U4 southwards to Southern Rhodesia, Natal and Madagascar.

Primulaceae, F. K. Kupicha. Flora Zambesiaca 7:1. 1983

Morphology General Habit

Weakly erect or straggling perennial herb.

Morphology Stem

Stems up to 35 cm. long or more, branched or rarely simple, with narrowly winged ribs.

Morphology Leaves

Leaves 5–10 mm. long, opposite or alternate, broadly ovate to ovate, the apex acute or mucronate, subsessile or shortly petiolate.

Morphology Reproductive morphology Flowers

Flowers in short or long racemes or occasionally solitary and axillary, on pedicels 6–17 mm. long.

Morphology Reproductive morphology Flowers Calyx

Calyx–lobes 2·5–4 mm. long, lanceolate–acuminate.

Morphology Reproductive morphology Flowers Corolla

Corolla white; lobes 3·5–5 .long, narrowly elliptic with apex truncate, mucronate or tridentate.

Morphology Reproductive morphology Flowers Androecium Stamens

Stamens c. 2/3 long as petals, the filaments slender above, expanded below, here densely bearded, briefly connate, adnate to the corolla for c. 0·5 mm., lower part of corolla tube sometimes with conspicuous red granules; anthers 0·4–0·7 mm. long, oblong.

Morphology Reproductive morphology Fruits

Capsule c. 1·5 mm. in diameter, many–seeded, circumscissile.

Morphology Reproductive morphology Seeds

Seeds 0·5–0·65 mm. long.