9. Tribe ANTHEMIDEAE

escent or glabrescent. Lowermost leaves ovate or ovate-oblong,
3–6 × 1.5–4.5 cm, 2(or 3)-pinnatisect; segments 3 or 4
pairs; lobules narrowly linear-lanceolate, 2–5 × 0.3–0.8 mm,
mucronulate apically. Middle stem and uppermost leaves pinnatisect;
leaflike bracts narrowly linear. Synflorescence a narrow
panicle. Capitula ± dense. Involucre ellipsoid-ovoid or
ovoid-oblong, ca. 2 mm in diam.; phyllaries glabrescent. Florets
3–5. Achenes ovoid. Fl. and fr. Aug–Oct.
Cultivated. N Gansu, N Shaanxi, Xinjiang [Kazakhstan].
Seriphidium cinum is a source of α-santonin, used as an anthelmintic
drug.
13. Seriphidium brevifolium (Wallich ex Candolle) Y. Ling &
Y. R. Ling, Acta Phytotax. Sin. 18: 513. 1980.
短叶绢蒿 duan ye juan hao
Artemisia brevifolia Wallich ex Candolle, Prodr. 6: 103.
1838.
Subshrubs or shrubs, 15–35(–45) cm tall, gray arachnoid
pubescent, later glabrescent. Lower stem leaves: petiole 3–5
mm; leaf blade ovate, 1.5–2.5 × 1–2 cm, 2- or 3-pinnatisect;
segments 2–4 pairs; lobules linear, 2–4 mm. Middle stem leaves
2-pinnatisect. Upper leaves and leaflike bracts pinnatisect or entire.
Synflorescence a narrow or somewhat broad panicle.
Capitula usually 2 or 3 together along branchlets. Involucre
ovoid-oblong or ellipsoid, ca. 2 mm in diam.; phyllaries densely
pubescent. Florets 3 or 4(–8). Achenes oblong-ovoid or ovoidellipsoid.
Fl. and fr. Aug–Oct.
Slopes, valleys, saline-alkaline soils; 2700–4500 m. W Xizang
[Afghanistan, N India, N Pakistan].
14. Seriphidium thomsonianum (C. B. Clarke) Y. Ling & Y.
R. Ling, Acta Phytotax. Sin. 18: 513. 1980.
西藏绢蒿 xi zang juan hao
Artemisia maritima Linnaeus var. thomsoniana C. B.
Clarke, Compos. Ind. 160. 1876; A. thomsoniana (C. B. Clarke)
Filatova.
Subshrubs, 30–80 cm tall, gray arachnoid pubescent.
Lower and middle stem leaves: petiole short; leaf blade ovate or
broadly ovate, 2–3 × 2–3 cm, gray pubescent, 2- or 3-pinnatisect;
segments 4(or 5) pairs; lobules linear, 0.5–1.5 mm.
Upper leaves 1- or 2-pinnatisect; leaflike bracts 3–5-lobed. Synflorescence
a broad, much-branched panicle. Involucre subglobose,
2.5–3 mm in diam.; phyllaries densely puberulent or ±
glabrescent. Florets 6–10. Achenes oblong. Fl. and fr. Aug–Oct.
Slopes; 3600–4300 m. W Xizang [Afghanistan, N India, N Pakistan].
15. Seriphidium aucheri (Boissier) Y. Ling & Y. R. Ling, Acta
Phytotax. Sin. 18: 513. 1980.
光叶绢蒿 guang ye juan hao
Artemisia aucheri Boissier, Fl. Orient. 3: 367. 1875; A.
maritima Linnaeus var. aucheri (Boissier) Pampanini.
Subshrubs, 30–40 cm tall, gray pubescent, later glabrescent.
Lower and middle stem leaves: petiole 5–10 mm; leaf
ANTHEMIDEAE
743
blade ovate, 2–3 × 1–2 cm, pubescent, later glabrescent, 2-pinnatisect;
segments 3 or 4(or 5) pairs; lobules linear, 5–10(–15)
mm. Upper leaves pinnatisect; leaflike bracts narrowly linear,
entire, rarely 3- or 5-lobed. Synflorescence a broad or somewhat
broad and elongated panicle. Capitula usually in groups of
3–5 along branchlets. Involucre oblong, 1.5–2 mm in diam.;
phyllaries puberulent, later glabrescent. Florets 3–5. Achenes
oblong-ovoid or obovoid. Fl. and fr. Aug–Oct.
Slopes, canyons, roadsides; 2400–3700 m. W Xizang [Afghanistan,
Pakistan; SW Asia (Iran)].
16. Seriphidium ferganense (Krascheninnikov ex Poljakov)
Poljakov, Trudy Bot. Inst. Akad. Nauk Kazakhsk. S.S.R. 11:
173. 1961.
费尔干绢蒿 fei er gan juan hao
Artemisia ferganensis Krascheninnikov ex Poljakov, Bot.
Mater. Gerb. Glavn. Bot. Sada R.S.F.S.R. 16: 409. 1954.
Herbs, perennial, 40–50 cm tall, densely gray tomentose,
later partly glabrescent. Lowermost leaves: petiole 1–1.5 cm;
leaf blade oblong, densely tomentose, 2-pinnatisect; segments 3
or 4 pairs; lobules narrowly linear, (3–)6–9(–12) × 0.5–1(–1.5)
mm, acute apically. Middle stem and upper leaves pinnatisect;
leaflike bracts linear. Capitula in broad pyramidal paniculate
synflorescences. Involucre ovoid-ellipsoid, 2–2.5 mm; phyllaries
pubescent. Florets 5–6. Achenes ovoid or obovoid. Fl.
and fr. Aug–Oct.
Desert margins, saline-alkaline soils, desert steppes, rocky slopes
and canyons; low to middle elevations. SW Xinjiang [Kazakhstan, Kyrgyzstan].
17. Seriphidium gracilescens (Krascheninnikov & Iljin) Poljakov,
Trudy Bot. Inst. Akad. Nauk Kazakhsk. S.S.R. 11: 175.
1961.
纤细绢蒿 xian xi juan hao
Artemisia gracilescens Krascheninnikov & Iljin, Sist. Zametki
Mater. Gerb. Krylova Tomsk. Gosud. Univ. Kuybysheva
1949(1–2): 2. 1949.
Subshrubs, 15–30 cm tall, with a thick rootstock, gray pubescent,
later glabrescent. Lower stem leaves: petiole 3–5 mm;
leaf blade triangular-ovate, 1–2 × 0.6–1 cm, gray pubescent and
gland-dotted, 2- or 3-pinnatisect; segments 2 or 3 pairs, 3-lobuled;
lobules narrowly linear. Middle stem leaves ovate-oblong,
1- or 2-pinnatisect. Upper leaves oblong-ovate, 1- or 2-pinnatisect;
leaflike bracts narrowly linear, entire. Synflorescence a
narrow conical panicle. Involucre oblong or ellipsoid, 1–1.5
mm in diam.; phyllaries keeled, gland-dotted and puberulent or
later sparsely puberulent. Florets 2–5. Achenes oblong. Fl. and
fr. Aug–Oct.
Rocky slopes, Gobi Desert, dry canyons, terraces, roadsides, semidesert
or desert steppes, saline-alkaline soils; 800–2300 m. N Xinjiang
[Kazakhstan, Mongolia, Russia].
18. Seriphidium terrae-albae (Krascheninnikov) Poljakov,
Trudy Bot. Inst. Akad. Nauk Kazakhsk. S.S.R. 11: 175. 1961.
白茎绢蒿 bai jing juan hao
Artemisia terrae-albae Krascheninnikov, Otchet Rabotakh