9. Tribe ANTHEMIDEAE

736
181. Artemisia nanschanica Krascheninnikov, Bot. Mater.
Gerb. Glavn. Bot. Sada R.S.F.S.R. 3: 19. 1922.
昆仑蒿 kun lun hao
Oligosporus nanschanicus (Krascheninnikov) Poljakov.
Herbs, perennial, 10–20(–30) cm tall, with horizontal rhizomes,
with short fertile branches, gray or yellowish puberulent
or glabrescent, fetid. Lower stem leaves: petiole 0.3–0.6
cm; leaf blade spatulate, obovate, or ovate, 1–2 × 0.5–1 cm,
obliquely pinnati-subpalmatipartite or -cleft; lobes elliptic, oblong,
or elliptic-lanceolate, 5–10 × 1–2 mm. Middle stem leaves
sessile; leaf blade spatulate or obovate-spatulate, obliquely (2
or)3(or 4)-partite, rarely -sect; lobes elliptic or linear, 5–8 ×
1(–2) mm. Uppermost leaves and leaflike bracts spatulate,
obliquely 2- or 3-partite, -cleft, or entire. Synflorescence a narrow
panicle. Capitula shortly pedunculate or sessile. Involucre
subglobose or hemispheric, 3–3.5(–4) mm in diam. Marginal
female florets 10–15. Disk florets 12–20, male. Achenes oblong
or obovoid-oblong. Fl. and fr. Jul–Oct.
● Dry slopes, steppes, rocky terraces or slopes; 2100–5300 m. S
Gansu, Qinghai, S Xinjiang, Xizang.
182. Artemisia pengchuoensis Y. R. Ling & S. Y. Zhao, Bull.
Bot. Res., Harbin 5(2): 11. 1985.
彭错蒿 peng cuo hao
Herbs, perennial, 30–40 cm tall, puberulent. Lower stem
leaves: petiole 1.5–2.5 cm; leaf blade ovate or oblong-ovate, 2–
2.5 × 2–2.5 cm, puberulent or glabrescent, 2-pinnatisect; segments
2 pairs; lobules linear or linear-lanceolate, 3–4 × 1–1.5
mm, apex acute. Middle and upper stem leaves sessile; leaf
blade ovate, 1- or 2-pinnatisect; segments 2 or 3 pairs, linear or
linear-lanceolate, 3–4 × 2–2.5 mm, occasionally basal lobes
lobulate; leaflike bracts 3–5-sect. Synflorescence a long, narrow
panicle. Capitula closely spaced, shortly pedunculate or sessile.
Involucre subglobose, 2–2.5(–3) mm in diam. Marginal female
florets 3–8. Disk florets 7–15, male. Achenes obovoid. Fl. and
fr. Aug–Oct.
● Roadsides; low to middle elevations. W Sichuan.
183. Artemisia dubia Wallich ex Besser, Tent. Abrot. 39. 1832.
牛尾蒿 niu wei hao
Subshrubs, 80–120(–180) cm tall, much branched;
branches 15–35 cm or more, usually flexuous, pubescent or glabrescent.
Leaves shortly petiolate to almost sessile, abaxially
grayish green arachnoid hairy to subglabrous, adaxially green
and white dotted with or without sparse T-shaped hairs. Lowermost
leaves ovate or oblong, 5-partite. Middle stem leaves
ovate, 5–12 × 3–7(–9) cm, 5-partite; lobes elliptic, oblong-lanceolate,
or lanceolate, 30–80 × 5–12 mm, base attenuate. Uppermost
leaves ternate, 3-partite; leaflike bracts entire, ellipticlanceolate
or lanceolate. Synflorescence a narrow to broad panicle,
15–30 × 10–20 cm; primary branches ascending to ± patent
(upper), to 25 × 2–3 cm. Capitula many, almost sessile. Involucre
broadly ovoid or globose, 1.5–2 mm in diam.; outer phyllaries
sparsely arachnoid hairy, green, apex acute. Florets 8–20,
purplish. Marginal florets 6–8; corolla basally broadened, 2-
ANTHEMIDEAE
toothed. Disk florets 2–12, male; corolla tube glandular, apex
very sparsely hairy. Achenes brown, oblong or obovoid, 1.25–
1.5 mm. Fl. and fr. Aug–Oct. 2n = 34, 54.
Slopes, steppes, riverbanks, roadsides, valleys, canyons, forest
margins; low elevations to 3500 m. C and S Gansu, NW Guangxi, Guizhou,
Hebei, S Henan, W Hubei, Nei Mongol, Ningxia, Qinghai, Shaanxi,
W Shandong, Shanxi, Sichuan, E Xizang, Yunnan [Bhutan, India,
Japan, Nepal, Thailand].
1a. Leaves abaxially persistently
densely pubescent ...................................... 183a. var. dubia
1b. Leaves abaxially glabrescent ........... 183b. var. subdigitata
183a. Artemisia dubia var. dubia
牛尾蒿(原变种) niu wei hao (yuan bian zhong)
Artemisia dracunculus Linnaeus f. thomsonii Pampanini;
A. subdigitata Mattfeld var. thomsonii (Pampanini) S. Y. Hu.
Leaf blades abaxially persistently densely pubescent.
Dry slopes, steppes, forest margins, roadsides; low elevations to
3500 m. S Gansu, Nei Mongol, W Sichuan, E Xizang, W Yunnan [Bhutan,
India, Japan, Nepal, Thailand].
183b. Artemisia dubia var. subdigitata (Mattfeld) Y. R. Ling,
Kew Bull. 42: 445. 1987.
无毛牛尾蒿 wu mao niu wei hao
Artemisia subdigitata Mattfeld, Repert. Spec. Nov. Regni
Veg. 22: 243. 1926; A. cannabina Jacquemont ex Besser; A.
desertorum Sprengel var. jacquemontiana (Besser) Candolle; A.
dracunculus var. inodora Besser, p.p.; A. dracunculus f. pinnata
Besser ex Pampanini; A. dracunculus var. subdigitata (Mattfeld)
Pampanini; A. jacquemontiana Besser; A. subdigitata var.
falciloba Mattfeld; A. subdigitata var. intermedia Kitagawa;
Oligosporus jacquemontianus (Besser) Poljakov.
Leaf blades abaxially glabrescent.
Slopes, riverbanks, roadsides, valleys, canyons, forest margins;
low elevations to 3000 m. C and S Gansu, NW Guangxi, Guizhou,
Hebei, S Henan, W Hubei, S Nei Mongol, Ningxia, Qinghai, Shaanxi,
W Shandong, Shanxi, Sichuan, Yunnan [Bhutan, N India, Nepal].
“Artemisia wulingschanensis Bar. et Skv.” (Liou, Clav. Pl. Chin.
Bor.-Orient. 393. 1959) belongs here but was not validly published
because no Latin description or diagnosis, or reference to such, was
provided (Vienna Code, Art. 36.1).
184. Artemisia tridactyla Handel-Mazzetti, Acta Horti Gothob.
12: 275. 1938.
指裂蒿 zhi lie hao
Herbs, perennial, or subshrubs, 7–60 cm tall, glabrescent;
branches many, to 15 cm. Lower and middle stem leaves ±
sessile; leaf blade elliptic, 2–5 × 2–3 cm, abaxially densely adpressed
sericeous-pubescent except on veins, adaxially glabrous,
ternately 3-partite(-cleft); lobes linear or linear-lanceolate,
20–25 × 2–4 mm, base attenuate, margin revolute. Uppermost
leaves and leaflike bracts linear or linear-lanceolate, entire,
30–45 × 1–2.5 mm. Synflorescence a ± narrow conical
simple panicle; lowermost ultimate branches to 7 cm; bracts
linear, often longer than involucre. Capitula mostly widely
spaced, sometimes in clusters of 2 or 3; peduncle to 6 mm. In-