Impatiens teitensis Grey-Wilson

Balsaminaceae, C. Grey-Wilson. Flora of Tropical East Africa. 1993

Morphology General Habit

Weakly branched upright perennial to 2 m. tall, glabrous; stems somewhat decumbent at the base and rooting at the lower nodes.

Morphology Leaves

Leaves in verticils of 2–4, rarely alternate; petiole 1.5–3 cm. long, slender, often with a few short (± 0.5 mm. long) stipitate glands towards the top; lamina oblong, elliptic or oblanceolate, (5–)7–18 cm. long, (3–)4–8.5 cm. broad, the base rounded or shortly attenuate to cuneate, the apex shortly acuminate; margin shallowly crenate or crenate-dentate, the teeth 2–10 mm. apart; lateral veins 10–13 pairs.

Morphology Reproductive morphology Inflorescences

Inflorescence a 4–10(–12)-flowered raceme, rather congested at first; flowers pale pink with deep purple-violet or magenta markings towards the base of the lateral united petals.

Morphology Reproductive morphology Inflorescences Peduncles

Peduncle 11–24 cm. long, upright, Bracts ovate, 7–11 mm. long, acuminate.

Morphology Reproductive morphology Flowers Pedicel

Pedicels 3–4.5 cm. long, slender.

Morphology Reproductive morphology Flowers Calyx

Lateral sepals 4 (2 pairs), the upper pair linear-lanceolate, 6–7 mm. long, acute, the lower pair ovate or ovate-oblong, 7–8 mm. long, shortly acuminate. Lower sepal shallowly and obliquely navicular, 12–13 mm. long, abruptly constricted into a 45–55 mm. long slightly curved filiform spur, slightly swollen at the tip.

Morphology Reproductive morphology Flowers Corolla

Dorsal petal ovate, 10–15 mm. long, 7–11 mm. broad, entire, with a narrow dorsal crest. Lateral petals dissimilar in size, the upper petal 1/2–2/3 the size of the lower; upper petal oblanceolate to oblanceolate-spathulate, 20–32 mm. long, 12–26 mm. broad, retuse or emarginate; lower petal suborbicular to orbicular-obovate, 32–38 mm. long, 30–41 mm. broad, emarginate.

Morphology Reproductive morphology Flowers Gynoecium Ovary

Ovary glabrous.

Morphology Reproductive morphology Fruits

Fruit long-fusiform, broadest above the middle, up to 33 mm. long and 5 mm. broad.