| Leaf shape and size | linear, 30−60 × 1−2 cm | narrowly linear-oblanceolate, 40–70 × 2–4.5 cm | lorate, 50–70 × 1–1.5 cm | narrowly oblanceolate, 50–80 × 2–4.5 cm | narrowly lanceolate, 35–45 × 4–5 cm | narrowly lanceolate, 15–29 × 2.5–4.5 | linear, 64–86 (146) × 1.2–2.8 |
|---|
| Leaf margin | sparsely serrulate from middle to apex | finely serrate towards apex | sparsely serrulate from middle to apex | sparsely serrulate at upper part | finely serrate and revolute | entire | entire |
|---|
| Leaf arrangement | 3−5 tufted | 2–4 tufted | 2–4 tufted | 3-tufted | solitary | solitary | solitary or paired |
|---|
| Peduncle length | 1−10 cm | 0.5–3 cm | 0.5–1.8 cm | 1–1.5 cm | up to 0.5 cm | 0.5–1 cm | 1–3 cm |
|---|
| Perigone tube shape and color | widely campanulate to bowl-shaped, dark purple | campanulate or urceolate, purple-black | campanulate, purple or tinged with yellow | campanulate, purple red | bowl-shaped, blackish purple | campanulate, purplish red | widely campanulate to nearly bowl shaped, purple |
|---|
| Perigone lobes, number, shape, and size | 6−8, ovate-triangular, 7–11 × 6–9 mm | 5−6, subtriangular, 7–8 × 7–8 mm | 6−8, oblong-ovate, 8–10 × ca. 2 mm | 6, oblong-ovate, 7–10 × 3–5 mm | 8, deltoid, 6–7 × 5–7 mm | 6, broadly ovate, 5–6 × 5–8 mm | 6 (rarely 7), triangular-ovate, 8–15 × 7–14 mm |
|---|
| Pistil shape and height | mushroom-shaped, ca. 7 mm (near the base of lobes) | broad mushroom-shaped, 5–8 mm (about halfway the tube) | peltate, ca. 8 mm | peltate and orbicular, 4–5 mm (about halfway the tube) | mushroom-shaped, 5–6 mm | mushroom-shaped, 8–9 mm | umbrella-like shaped, 8–12 mm |
|---|
| Stigma upper surface color, shape, and size | red-purple with 3−4 whitish regions, suborbicular, fringed, 11−15 mm in diam. | creamy white, suborbicular, 8–10 mm in diam. | white and purple margin, orbicular, with 3 or 4 slightly raised ridges, 10−13 mm in diam. | deep purple, orbicular, fringed, 5–7 mm in diam. | light red and white-edged, circular, smooth, ca. 10 mm in diam. | dark purplish red with 6 whitish irregular marks, hexagonal, ca. 10 mm in diam. | white, suborbicular, ca. 15 mm in diam. |
|---|
| Stigma lower surface | pure white | white | white | white | unknown | white | red-purple |
|---|
| Stigma margin | undulate, slightly 6−8- lobed, lobes strongly reflexed | shallowly 3 (or 4)- lobed, lobes unknown | slightly 3 or 4-lobed, lobes slightly curved down | 6-lobed, lobes unknown | soft 8-lobed, lobes strongly reflexed | slightly 6-lobed, lobes bent downward | deep 6–7-lobed, lobes revolute and bent downward touching the base of the perigone |
|---|