Character |
S. procera
|
S. nyalamensis
|
S. blepharicalyx
|
Stem |
40–75 cm, simple or with |
15–40 cm, simple or |
(7–)10–40 cm, simple |
thin erect branches |
branched above |
or branched |
Nodes |
6–8 |
5 or 6 |
3–6 |
Stem pubescence |
Non-glandular pubescent |
Non-glandular pubescent |
Non-glandular |
throughout, or subglabrous |
throughout, or subglabrous |
pubescent throughout; |
basally; glandular hairy in |
basally; glandular hairy in |
glandular hairs lacking |
inflorescence |
upper half |
Calyx |
11 mm, subcylindrical in |
9–10 mm, campanulate, |
8–10 mm, campanulate |
early anthesis, becoming |
divided to 1/3 |
divided 1/4 to 1/3 |
ovate, divided to 1/3 |
Calyx veins |
Greenish brown to |
Dark purplish, very distinct; |
Green to dark purplish; |
purplish; with some short |
joining in the teeth only; no |
with short branches and |
branches and lateral |
lateral anastomoses |
lateral anastomoses |
anastomoses |
Calyx teeth |
Ovate, subobtuse, erect, |
Triangular, subacute, ± |
Triangular, subacute, ± |
flat |
folded and recurved at |
folded and recurved at |
apex |
apex |
Glandular hairs on calyx |
Present, 0.2–0.3 mm |
Present, c.0.3 mm |
Absent |
Altitude |
2150–3750 m |
3500–4100 m |
2800–4900 m |
Flowering |
June to August |
July to August |
July to September |