9. Tribe ANTHEMIDEAE

pinnatisect. Leaflike bracts linear, entire. Synflorescence a narrow,
spikelike panicle. Involucre ovoid, 1.5–2 mm in diam.;
phyllaries puberulent, sometimes glabrescent. Marginal female
florets 10–19. Disk florets 3–8, male. Achenes obovoid. Fl. and
fr. Jul–Sep. 2n = 18.
Valleys, slopes, roadsides, grasslands, rocky hills; 2600–4800 m.
Gansu, Nei Mongol, Qinghai, W Sichuan, Xinjiang, Xizang [Afghanistan,
India, Tajikistan].
161. Artemisia macilenta (Maximowicz) Krascheninnikov,
Mater. Istorii Fl. Rastitel’n. S.S.S.R. 2: 156. 1946.
细杆沙蒿 xi gan sha hao
Artemisia campestris Linnaeus var. macilenta Maximowicz,
Mém. Acad. Imp. Sci. St.-Pétersbourg Divers Savans 9:
158. 1859; A. desertorum Sprengel var. macilenta (Maximowicz)
Pampanini; Oligosporus macilentus (Maximowicz) Poljakov.
Herbs, perennial, or nearly subshrubs, 40–70 cm tall, puberulent,
often glabrescent. Lower stem leaves: petiole 1–3 cm;
leaf blade ovate or broadly ovate, 2–4 × 2–4 cm, 2-pinnatisect;
segments 2 or 3 pairs. Middle and upper stem leaves ± sessile;
leaf blade pinnatisect; segments 2 pairs; lobules 7–12(–15) ×
0.3–0.5(–1) mm. Leaflike bracts linear, entire. Synflorescence a
narrow panicle. Involucre ovoid or subglobose, 1–1.5(–2) mm
in diam. Marginal female florets 3–6. Disk florets 4–8, male.
Achenes obovoid. Fl. and fr. Aug–Oct.
Dry slopes, valleys, roadsides, forest margins, steppes, forest
steppes; low to middle elevations. N Hebei, Nei Mongol, N Shanxi [E
Russia].
162. Artemisia chienshanica Y. Ling & W. Wang, Acta Phytotax.
Sin. 17(4): 89. 1979.
千山蒿 qian shan hao
Subshrubs, 25 cm tall or more, brown or yellowish tomentose
or glabrescent. Lowermost leaves: petiole 1–3 cm; leaf
blade ovate or obovate, 7–8 × 5–7.5 cm, 2- or 3-pinnatisect or
-partite; segments 4(or 5) pairs; lobules (1 or)2 pairs, lanceolate,
linear, or linear-lanceolate. Middle stem leaves: petiole 0.5–1
cm; leaf blade ovate or broadly ovate, 2-pinnatisect; segments 2
or 3(or 4) pairs; lobules narrowly linear or linear-lanceolate, 5–
15 × 1–1.5 mm. Uppermost leaves and leaflike bracts pinnatisect
or 3-sect. Synflorescence a broad, much-branched panicle.
Involucre oblong, 1–1.5 mm in diam.; phyllaries revolute
apically. Marginal female florets 5–7. Disk florets 5 or 6, male.
Achenes oblong. Fl. and fr. Aug–Oct.
● Hills, slopes. Liaoning (Anshan, Qian Shan).
163. Artemisia capillaris Thunberg, Nova Acta Regiae Soc.
Sci. Upsal. 3: 209. 1780.
茵陈蒿 yin chen hao
Artemisia capillaris var. acaulis Pampanini, p.p.; A. capillaris
var. arbuscula Miquel; A. capillaris f. glabra Pampanini;
A. capillaris var. sacchalinensis (Tilesius ex Besser) Pampanini;
A. capillaris f. sericea (Nakai) Pampanini; A. capillaris var. sericea
Nakai; A. hallaisanensis Nakai var. formosana Pampa-
ANTHEMIDEAE
729
nini; A. hallaisanensis f. parvula Pampanini; A. hallaisanensis
var. philippinensis Pampanini; A. hallaisanensis f. swatowiana
Pampanini; A. sacchalinensis Tilesius ex Besser; Oligosporus
capillaris (Thunberg) Poljakov.
Herbs, biennial or perennial, 30–80(–100) cm tall; rootstock
vertical, woody; stems usually 1 to few, slender, erect,
pale purplish or reddish brown, glabrous. Basal leaves silky
hairy, shortly petiolate. Middle stem leaves almost sessile; leaf
blade oblong-ovate, 2–4 × 1–2.5 cm, 1- or 2-pinnatisect; segments
filiform, 8–12 × 0.3–0.5 mm, ± acute. Uppermost leaves
and leaflike bracts simple, filiform with 1 or 2 basal auricles.
Synflorescence a narrow to wide panicle, 10–30 × 5–15 cm;
primary branches 8–20 cm, ascending, bearing 3–8 cm, ± patent
secondary branches. Capitula many, shortly pedunculate to sessile,
secund, approximate, nodding. Involucre ovoid, ca. 1.75–
2.25 × 1–1.5 mm; phyllaries 3- or 4-seriate, laxly imbricate,
glabrous; outermost ovate, ca. 0.75 mm, green with narrow
membranous margin, ± acute; inner ones elliptic, ca. 1.25 mm,
with broad membranous margin, obtuse. Receptacle conical,
glabrous. Florets 8–12, yellow. Marginal female florets 3–5;
corolla narrowly tubular, ca. 0.75 mm, 2-toothed. Disk florets
5–7, male; corolla narrowly conical, ca. 1.25 mm, 5-toothed,
glandular. Achenes brown, oblong-ovate, ca. 0.8 mm.
Humid slopes, hills, terraces, roadsides, riverbanks; 100–2700 m.
Anhui, Fujian, Guangdong, Guangxi, Hebei, E Henan, Hubei, Hunan,
Jiangsu, Jiangxi, Liaoning, E and S Shaanxi, Shandong, Sichuan, Taiwan,
Yunnan, Zhejiang [Cambodia, Indonesia, Japan, Korea, Malaysia,
Nepal, Philippines, E Russia, Vietnam].
Artemisia capillaris is well known as a source of diuretic and
detoxifying medicines.
164. Artemisia morrisonensis Hayata, Icon. Pl. Formosan. 8:
63. 1919.
细叶山艾 xi ye shan ai
Subshrubs, 50–60 cm tall, puberulent, glabrescent. Lower
stem leaf blades suborbicular or ovate-triangular, 3–4 × ca. 4
cm, 2(or 3)-pinnatisect. Middle stem leaves: petiole 1–2 cm;
leaf blade 3–3.5 × 3–4 cm, 1(or 2)-pinnatisect; segments 2(or 3)
pairs, 3-lobuled; lobules (10–)20–30 × 1–2 mm. Uppermost
leaves and leaflike bracts 3–5-lobed. Synflorescence a narrow,
racemelike panicle. Capitula shortly pedunculate or ± sessile.
Involucre subglobose, 1.5–2 mm. Marginal female florets 11–
15. Disk florets 4–16, male. Achenes ellipsoid. Fl. and fr. Jun–
Nov. 2n = 34*.
● Forest margins, roadsides, slopes; 300–2500 m. Taiwan.
165. Artemisia oligocarpa Hayata, J. Coll. Sci. Imp. Univ.
Tokyo 25(19): 137. 1908.
高山艾 gao shan ai
Artemisia borealis Pallas var. oligocarpa (Hayata) Kitamura.
Subshrubs, 15–35 cm tall, sericeous-pubescent or glabrescent.
Leaves sericeous-pubescent or glabrescent. Lower and
middle stem leaves: petiole 0.5–1 cm; leaf blade broadly ovate,
2.5–4.5 × 2.5–4.5 cm, 2(or 3)-pinnatisect; segments 2 or 3(or 4)
pairs; lobules 3 or 5, linear or filiform, 4–10 × 0.5–1 mm. Up-