Table 1 – Comparison of the key characters for Streptocarpus malachiticola and its allies.
Character S. malachiticola S. compressus S. goetzei
Number of leaves unifoliate unifoliate to plurifoliate unifoliate, rarely plurifolate
Leaf (cm) 5–18 × 2–7 11–28 × 7.5–22.5 6–32 × 2.5–30
Inflorescence length (cm) 6.5–19 3.5–20 7–26
Number of inflorescences 1–2 per plant 3–6 per plant 1–6 per plant
Pedicel length (mm) 10–18(–25) 10–30(–40) 10–25
Hairs on pedicel glandular with shorter eglandular hairs intermixed glandular with eglandular hairs intermixed usually eglandular-pubescent
Calyx (mm) 4–6 2.5–6 2–3.5(–6)
Hairs on calyx glandular-pubescent eglandular-pubescent, few glandular hairs at base eglandular-pubescent
Corolla colour blue-violet with whitish palate pale to mid blue violet with dark blotching on paler palate pale to mid-blue violet with pale palate
Corolla length (mm) 17–24 22–33 (20–)25–37
Hairs on corolla glandular-pubescent glandular-pilose eglandular-pubescent
Tube length (mm) 9–13 mm 10–17 mm 12–25(–30)
Upper lip length (mm) 4–6 5.5–7(–10) × 5–7(–9) 4–7 × 5–9 mm
Lower lip length (mm) 7–10 14–21 12–16
Lateral lobes (mm) 5.5 × 4.5 7–9.5 × 9–10.5 4.5–9 × 5.5–9.5
Median lobe (mm) 6 × 5 8.5–10 × 10–11 5–9 × 5.5–10
Filaments (mm) 2 2.5–3 2–3
Anthers (mm) 1.5 1.2 0.75–1.1
Staminode minute, ca 0.5 mm minute minute
Ovary and style (mm) 4–7, ovary glandular, style eglandular 5–7.5, 1–2, glandular or glabrous, style glandular 5–9, 1.5–2, eglandular
Stigma bilobed bilobed capitate
Fruit (mm) 20–22 × 2 30–45(–50) × 1.5–1.7 (25–)40–55(–70) × 1.5–1.7
persistent identifier: http://table.plazi.org/id/DF68BEA26F29D23B367CFF2FFC15ADFB
Published as part of Fischer, Eberhard, Darbyshire, Iain (2021). Five new species of Streptocarpus (Gesneriaceae) from Katanga, D. R. Congo. Plant Ecology and Evolution 154 (2): 264-280. DOI: 10.5091/plecevo.2021.1824, URL: http://dx.doi.org/10.5091/plecevo.2021.1824 on page 268