9. Tribe ANTHEMIDEAE

vations to 1500 m. NW Gansu, W Nei Mongol, Xinjiang [Kazakhstan,
Mongolia, Russia].
1a. Stem 40–50 cm; lower leaves 2-pinnatisect;
capitula dispersed along branches in
somewhat broad elongated panicles ........ 3a. var. nitrosum
1b. Stem 5–10(–15) cm; lower leaves
1- or 2-pinnatisect; capitula grouped
along branches in spikelike panicles ....... 3b. var. gobicum
3a. Seriphidium nitrosum var. nitrosum
西北绢蒿(原变种) xi bei juan hao (yuan bian zhong)
Artemisia nitrosa Weber ex Stechmann, Artemis. 24. 1775;
A. humilis M. Bieberstein (1798), not Miller (1768); A. lercheana
Weber ex Stechmann var. gmeliniana (Besser) Candolle,
p.p.; A. maritima f. gmeliniana (Besser) Ledebour, p.p.; A.
maritima subsp. gmeliniana (Besser) Krascheninnikov, p.p.; A.
maritima var. gmeliniana Besser, p.p.; A. maritima f. humilis
Ledebour.
Stem 40–50 cm tall. Lowermost leaves 2-pinnatisect,
somewhat glabrescent. Synflorescence a somewhat broad elongated
panicle. Capitula dispersed along branches.
Gobi Desert, rocky slopes, dry canyons, dry riverbanks, roadsides,
terraces, saline-alkaline soils; low elevations to 1500 m. NW Gansu,
W Nei Mongol, Xinjiang [Kazakhstan, Mongolia, Russia].
3b. Seriphidium nitrosum var. gobicum (Krascheninnikov) Y.
R. Ling, Bull. Bot. Res., Harbin 8(3): 114. 1988.
戈壁绢蒿 ge bi juan hao
Artemisia mongolorum Krascheninnikov subsp. gobica
Krascheninnikov, Trudy Bot. Inst. Akad. Nauk S.S.S.R., Ser. 1,
Fl. Sist. Vyssh. Rast. 3: 350. 1937; A. gobica (Krascheninnikov)
Grubov; A. mongolorum var. salsuginosa Krascheninnikov; A.
nitrosa var. gobica (Krascheninnikov) Poljakov; A. schischkinii
Krascheninnikov.
Stem 5–15 cm tall. Lowermost leaves 1- or 2-pinnatisect,
persistently grayish tomentose pubescent. Synflorescence a narrow
spikelike panicle. Capitula in groups along branches.
Desert or semidesert steppes, Gobi Desert, saline-alkaline soils.
Xinjiang [Kazakhstan, Mongolia, Russia].
4. Seriphidium finitum (Kitagawa) Y. Ling & Y. R. Ling, Acta
Phytotax. Sin. 18: 513. 1980.
东北蛔蒿 dong bei hui hao
Artemisia finita Kitagawa, Rep. Inst. Sci. Res. Manchoukuo
6: 124. 1942.
Subshrubs, 50–60 cm tall, densely gray arachnoid pubescent.
Lower stem leaves: petiole 2–5 cm; leaf blade oblong or
ovate-oblong, 2–3(–5) × 1.2–2 cm, grayish arachnoid pubescent,
2- or 3-pinnatisect; segments (3 or)4 or 5 pairs; lobules 2
or 3 pairs, narrowly lanceolate, 3–13 × 1–1.5 mm, obtuse apically.
Middle stem leaves ± sessile; leaf blade ovate or ovateoblong,
(1 or)2-pinnatisect; lobules narrowly linear or narrowly
linear-lanceolate. Upper leaves and leaflike bracts 3-lobed or
entire. Synflorescence a narrow or somewhat broad panicle.
Involucre oblong-obovoid or oblong, 2–2.5 mm in diam.; phyl-
ANTHEMIDEAE
741
laries gray pubescent. Florets 3–9(–13). Achenes obovoid. Fl.
and fr. Aug–Oct.
● Rocky slopes, semidesert steppes, riverbanks, lakeshores, meadows.
E Nei Mongol.
5. Seriphidium mongolorum (Krascheninnikov) Y. Ling & Y.
R. Ling, Bull. Bot. Res., Harbin 8(3): 115. 1988.
蒙青绢蒿 meng qing juan hao
Artemisia mongolorum Krascheninnikov, Trudy Bot. Inst.
Akad. Nauk S.S.S.R., Ser. 1, Fl. Sist. Vyssh. Rast. 3: 350. 1937.
Subshrubs, 30–45 cm tall, gray tomentose, later partly glabrescent.
Lower stem leaves: petiole 15–25 mm; leaf blade elliptic
or ovate-oblong, 3–4 × 2–3 cm, densely incanous tomentose,
later sparsely tomentose or glabrescent, 2(or 3)-pinnatisect;
segments 4 or 5 pairs; lobules linear or lanceolate, 2–3 ×
1–1.5 mm. Middle stem leaves 1- or 2-pinnatisect; lobules narrowly
linear, ca. 1 mm wide. Upper leaves and leaflike bracts
pinnatisect or 3-lobed. Synflorescence a somewhat broad elongated
panicle. Involucre ellipsoid or oblong, 2–3 mm in diam.;
phyllaries pubescent. Florets 3–6. Achenes obovoid. Fl. and fr.
Aug–Oct.
Desert or semidesert steppes, rocky slopes, Gobi Desert; 1100–
2700 m. Nei Mongol, N Qinghai [SW Mongolia].
6. Seriphidium karatavicum (Krascheninnikov & Abolin ex
Poljakov) Y. Ling & Y. R. Ling, Bull. Bot. Res., Harbin 8(3):
115. 1988.
卡拉套绢蒿 ka la tao juan hao
Artemisia karatavica Krascheninnikov & Abolin ex Poljakov,
Bot. Mater. Gerb. Glavn. Bot. Sada R.S.F.S.R. 16: 396.
1954.
Subshrubs, 35–60(–70) cm tall, with a thick rootstock,
densely gray tomentose, later partly glabrescent. Lower stem
leaves ± sessile; leaf blade ovate, 2.5–3(–5) × 1.5–2 cm, incanous
arachnoid tomentose, 2- or 3-pinnatisect; segments (3 or)4
or 5 pairs; lobules linear or linear-lanceolate, [40–60(–80) × 5–
10 mm,] acute apically. Middle stem and upper leaves 1- or 2pinnatisect;
leaflike bracts narrowly linear. Synflorescence a
narrow panicle. Involucre ellipsoid-ovoid, 1.5–2 mm in diam.;
phyllaries gray arachnoid tomentose or glabrescent. Florets 3–7.
Achenes ovoid or obovoid. Fl. and fr. Sep–Oct.
Rocky slopes; low elevations. NW Xinjiang [Kazakhstan].
7. Seriphidium sawanense Y. R. Ling & Humphries, Bull. Bot.
Res., Harbin 10(1): 49. 1990.
沙湾绢蒿 sha wan juan hao
Subshrubs, 40–60 cm tall, silvery tomentose. Lower and
middle stem leaves: petiole 3–6 mm; leaf blade ovate-elliptic or
oblong, 3–4.5 × 1–2.5 cm, 3-pinnatisect; segments 5 or 6 pairs;
lobules linear, 2.5–3.5 × ca. 0.5 mm. Upper leaves 2(or 3)-pinnatisect;
leaflike bracts 1- or 2-pinnatisect. Synflorescence a
narrow panicle. Involucre oblong, 1–1.5 mm in diam.; phyllaries
densely silvery pubescent. Florets 3–5. Achenes obovoid.
Fl. and fr. Aug–Oct.