TABLE 1. Morphological characteristics for distinguishing M. ruschii of other morphological similar species of the AF, in bold the diagnostic characters of each species.

Characters	M. edulis	M. grandistipula	M. rufescens	M. ruschii	M. schottii
Stipule length (mm)	10–20	15–30	10–20	17–20	10–20
Stipule width (mm)	3–6	7–15	3–6	2–3	3–5
Rachis length	1–2	2–2.5 cm long	To 0.5 cm	0.5–0.7 cm	0.2–1.5 cm
leaflet undersurface indumentum	Strigose to sericeous and fulvous	Glabrescent	Strigose to sericeous and fulvous	Glabrescent	Sericeous and argenteus
bracteoles size (mm)	3–4 × 3–4	1–3 × 1–3	3–4 × 3–4	2–3 × 1–3	2–4 × 2–3
flower length (mm)	13–16	17–20	13–16	10–12	13–16
petal color	White to bright pink	White with the center with lilac stripes	White to bright pink	Lilac with white stripes	White to bright pink
keel petal apex	Concave	Rounded	Concave	Rounded	Concave
keel petal length (mm)	8–12	14–17	8–12	8–12	9–13