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Plate 58]<br />
POLYGONUM 151<br />
Polygonum polystachyum, Wall. Many-spiked Polygonum.<br />
Collett, fig. 135.<br />
Shrubby, 3-6 ft. higb. Stem angled, hairy branches<br />
; grooved.<br />
Leaves 4-9 by li-3i in., stalked or the upper nearly stalkless,<br />
oblong-lance-shaped, long-pointed, upper surface hairless or<br />
thinly hairy, the lower softly and densely hairy, especially on<br />
the midrib and nerves. Stipules tubular, very long, pointed,<br />
hairy, strongly nerved. Flowers white or tinged with pink,<br />
in terminal, usually erect panicles, 6-18 in. long. Bracts flat.<br />
Perianth 5-parted, \ in. diameter; segments spreading, the<br />
2 outer narrow, the 3 inner much broader. Stamens 8.<br />
Styles 3, free nearly to the base. Nut 3-angled, pale brown,<br />
not tightly enclosed in the perianth.<br />
Locality. Temperate region.<br />
Distribution. From Kashmir to Sikkim, up to 14,000 ft.,<br />
Afghanistan.<br />
Polygonum rumicifolium, Eoyle.<br />
Dock-leafed Polygonum.<br />
Root stout, perennial. Stems 6-18 in. high, hairless or<br />
sparsely hairy, very robust, simple, pale, grooved. Leaves<br />
3-5 by li-3 in., stalked, broadly egg- or egg-heart-shaped, fleshy,<br />
green, margin even or wavy, nerves very slender ;<br />
stalk i-1 in.<br />
long, stout. Stipules large, lax, hairless. Flowers in small<br />
axillary and terminal, dense-flowered panicles. Flowers<br />
green, i-1 in. Perianth cleft to near the wedge-shaped base,<br />
segments almost equal, rounded, spreading. Nut very<br />
broadly egg-shaped, sharply 3-angled, about as long as the<br />
perianth, pale.<br />
Locality. Subalpine region.<br />
Distrihition.'From Kashmir to Nepal, 10,000-14,000 ft.<br />
Polygonum serrulatum,<br />
Lagasca.<br />
(Serrulatum means finely toothed.)<br />
Stems 2-4 ft. high, slender, smooth, often reddish. Leaves<br />
almost stalkless, drying green, 3-5 by i-8 in. linear, sharppointed,<br />
smooth or with a few scattered hairs on the upper<br />
side and the midrib, the margins usually ciliate, base slightly<br />
tapering, rounded. Stipules up to li in. long, hairy, the<br />
mouth truncate and ciliate with long stiff bristles which are<br />
nearly as long as the tube. Flowers in slender, .erect racemes,<br />
f-2 in. long which form panicles. Flower-stalks short.
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