Character | +
+ |
+
+ |
+
+ |
+
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Habit | +woody liana | +erect subshrub | +climbing shrub | +
Leaf shape | +oblanceolate, or oblong- oblanceolate, 11.5–17.3 × 4–6.6 cm, cordate, more or less obliquely auriculate at base | +spathulate, narrowly oblanceolate, or oblong-oblanceolate, 10–15 × 2.5–3 cm, attenuate to subcuneate at base | +narrowly elliptic to lanceolateelliptic, 14–25 × 4–6.5 cm, base narrowly auriculate | +
Leaf indument | +almost glabrous, but only sparsely villous at midrib adaxially and abaxially | +subglabrous adaxially, densely brown-villous abaxially | +sparsely villous along veins abaxially, glabrous adaxially | +
Secondary veins | +pinnate, 7–11 each side | +pinnate, 12–16 each side | +pinnate, 8–12 each side | +
Inflorescences | +axillary; 1–3 flowered, fascicled | +from base of the stem or top of the Rhizome; rhizome, 3–7 flowered, raceme | +axillary; solitary or paired | +
Calyx tube | +sparsely or densely tomentose and fully to dotted purple tinted on pale to yellowish or yellow backcolor from basal to upper portion adaxially, yellowish abaxially | +yellow-green abaxially | +yellow-green with purple veins | +
Calyx limb | +obliquely truncated but deeply splitted, villous and purple to yellowish adaxially from throat to mouth, purple to purplish abaxially; margin 3 dentate | +obliquely truncated but shallowly splitted; yellowish and with densely glandular hairs adaxially; margin 5 or 6 dentate | +discoid-subrotund, 4–6 cm in diam., 3-lobed; lobes broadly rounded, equal | +
Capsule | +cylindric, 4–6×1.0–1.5 cm | +ovoid-globose, 3–5×2.0–2.5 cm | +ellipsoid, 5–8×1.5–2 cm | +
Seed | +triangular ovate, 4–5×3–4 mm | +ovoid, ca. 4×3 mm | +ovoid-deltoid, ca. 6×4 mm | +
Outline | +Ends | +Axial area | +Central area | +Valve length (μm) | +Valve width (μm) | +Striae in 10 μm | +Areolae in 10 μm | +Distribution | +Reference | +|
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+ |
+lanceolate to lanceolate- elliptical | +acutely rounded | +narrow, linear | +small, rounded | +27–62 | +8–10.5 | +15–17 | +36–40 | +Nam Hinboun River near Kong Lor Cave, Vientiane province, Laos | +This study | +
+ |
+lanceolate- elliptical | +subrostrate | +narrow, linear | +distinct moderately widened to suborbicular in shape | +36.5–46.5 | +9–11.5 | +14–18 in the middle and 22–24 towards the ends | +not given | +Hozoji-numa, Hanyu City, Saitama Prefecture, Japan | +
+ |
+
+ |
+lanceolate | +obtusely rounded, hardly perceptible short- protracted | +linear | +small, set off, approximately circular to somewhat irregularly shaped | +30.5–57 | +9.8–13 | +19 | +24 | +Saline spring in Wisselsheim, Bad Nauheim, Hesse, Germany | +
+ |
+
+ |
+lanceolate to lanceolate- elliptical | +broadly rounded or slightly protracted | +very narrow | +small, rounded | +24–39 | +6–8 | +17.5–20 at the apices, 16–18 near the central area | +not given | +Khövsgöl Lake, Mongolia | +Vishnjakov 2016 | +
+ |
+elliptical to lanceolate- elliptical | +slightly beak-shaped, obtuse | +narrow | +slightly expanded | +31–100 | +10–24.4 | +12–24 at the apices, 10–16 near the central area | +20–35 | +Holartic | +
+ |
+
+ |
+lanceolate to lanceolate- elliptical | +beak-like, widely rounded | +narrow | +small, elliptic- lanceolate | +25–43 | +8–12 | +15–22 at the apices, 9–15 near the central area | +not given | +Holartic | +
+ |
+
+ |
+lanceolate to lanceolate- elliptical | +rostrate to sub-capitate | +narrow, linear | +small, elliptic- lanceolate | +25.9–28.4 | +7.3–4.8 | +central striae 13–16; distal striae 22–24 | +not given | +Zoigê Wetland, Sichuan Province, China | +
+Liu
+ |
+
Outline | +Ends | +Axial area | +Central area | +Valve length (μm) | +Valve width (μm) | +Striae in 10 μm | +Areolae in 10 μm | +Distribution | +Reference | +|
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+ |
+lanceolate to lanceolate–elliptical | +acutely rounded | +narrow, linear | +small, elliptic- lanceolate | +22.8–33.8 | +8.6–9 | +central striae 17–18; distal striae 22–24 | +not given | +Zoigê Wetland, Sichuan Province, China | +
+Liu
+ |
+
not protracted, very | +||||||||||
+ |
+lanceolate-elliptical to elliptic | +slightly subcapitate, through subrostrate, to broadly rostrate, flat, | +narrow | +small, rounded | +17–60 | +5–10 | +14–20 | +not given | +Holartic | +
+Cantonati
+ |
+
rounded | +||||||||||
+ |
+linear | +slightly drawn out, broadly rounded or subcapitate | +narrow | +small | +17–19 | +4–5 | +20 at the centre to 28 close to the poles | +not given | +Holartic | +
+Cantonati
+ |
+
+ |
+linear-lanceolate to elliptic-lanceolate | +protracted to subprotracted, broadly rounded | +narrow, linear | +not expressed to small lanceolate or elliptic | +22–44 | +9–11 | +14–17 | +not given | +Lake Ohrid, Macedonia | +
+ |
+