Persicaria wugongshanensis (Polygonaceae: Persicarieae), an odoriferous and distylous new species from Jiangxi, eastern China Author Li, Bo text Phytotaxa 2014 2014-01-16 156 3 133 144 http://dx.doi.org/10.11646/phytotaxa.156.3.4 journal article 309537 10.11646/phytotaxa.156.3.4 461ce2bf-e70b-4146-bdab-f92586e1f79d 1179-3163 5127800

TABLE 2. Comparison among Persicaria wugongshanensis, P. odorata, P. japonica, P. jucunda and. P. hydropiper.

		P. wugongshanensis	P. odorata	P. japonica	P. jucunda	P. hydropiper
Special odor		intensely odoriferous	intensely odoriferous	absent	absent	absent
Rhizome		absent	developed	developed	absent	absent
Stem		robust, glabrous, sparsely glandular	slender, glabrous	robust, glabrous or sparsely hispidulous	glabrous	slender, glabrous
	Shape	ovate or ovate-lanceolate, rarely broadly lanceolate	lanceolate or narrowly lanceolate	lanceolate or narrowly lanceolate	elliptic-lanceolate	lanceolate or elliptic-lanceolate
	Lateral veins (pairs)	7 – 9	11 – 14	10 – 13	9 – 12	6 – 10
Leaf	Hairs	both surfaces sparsely pubescent	both surfaces glabrous, or nearly glabrous	both surfaces sparsely hispidulous	both surfaces appressed hispidulous	both surface nearly glabrous, sometimes appressed hispidulous along midvein
	Glandular dot	abaxially dense, adaxially sparse	abaxially sparse, adaxially no	abaxially dense, adaxially sparse	both surface no	abaxially dense, adaxially sparse
	Length (mm)	9.1 (7.0 – 13.1)	13.3 (11.7 – 16.4)	17.2 (12.5 – 24.9)	7.8 (5.0 – 10.2)	12.2 (10.1 – 15.4)
Ocrea
	Hairs	densely appressed pubescent	nearly glabrous	densely appressed hispidulous	sparsely appressed hispidulous	sparsely appressed hispidulous
	Tightness	mostly interrupted at base	mostly interrupted at base	mostly interrupted at base	uninterrupted	interrupted below
Inflores-cence	Pedicel length (mm)	10.6 (9.1 – 15.5)	7.4 (6.9 – 9.8)	4.2 (3.5 – 5.7)	5.1 (6.5 – 8.6)	3.9 (3.2 – 5.1)
	Dimorphic flowers	yes	yes	yes	yes	no
Tepal	Length (mm)	S-morph: 4.59 ± 0.180; L-morph: 4.20 ± 0.085	S-morph: missing data; L-morph: 4.13 ± 0.281	S-morph: 4.38 ± 0.286; L-morph: 4.35 ± 0.302 (Nishihiro & Washitani 1998)	S-morph: 2.90 ± 0.146; L-morph: 3.01 ± 0.131 (Chen &Zhang 2010)	3.1 (2.7 – 3.5)
	Glandular dot	densely golden punctate	sparsely golden punctuate	densely golden punctuate, or sometimes absent	absent	sparsely golden punctuate
	Size (L × W) (mm)	3.2 (2.9 – 3.5) × 2.0 (1.8 – 2.2)	1.7 (1.4 – 2.1) × 1.3 (1.1 – 1.5)	2.2 (2.0 – 2.5) × 1.5 (1. – 1.8)	2.0 (1.7 – 2.4) × 1.3 (1.0 – 1.6)	2.5 (2.1 – 3.3) × 1.6 (1.3 – 2.1)
Achene	shape	trigonous	trigonous	biconvex, rarely trigonous	trigonous	biconvex, rarely trigonous
	surface	opaque, densely pitted	shiny, smooth	shiny or slightly opaque, smooth	shiny, smooth	opaque, densely pitted