9. Tribe ANTHEMIDEAE

768
pilose or glabrous; primary lateral segments 7–12-paired; ultimate
segments obliquely triangular, lanceolate, broadly linear,
or linear. Middle and upper stem leaves similar, small, sessile.
Synflorescence a ± flat-topped terminal cyme. Capitula 1–3.
Involucre coryliform, ca. 16 mm in diam.; phyllaries in 4 rows,
scarious margin broad, brown, outer phyllaries ovate, ca. 3
mm, middle and inner ones elliptic or broadly linear, 4–7 mm.
Ray florets white; lamina narrowly elliptic, 1.4–2.5 cm, apex 2-
or 3-denticulate. Achenes ca. 2.5 mm. Corona 0.4–0.7 mm,
lobed for ca. 1/2 length. Fl. and fr. Aug–Sep.
Forest understories, alkaline soils; 2500–3200 m. Xinjiang [Kazakhstan,
Mongolia, Russia].
14. Tanacetum abrotanoides K. Bremer & Humphries, Bull.
Nat. Hist. Mus. London, Bot. 23: 101. 1993.
丝叶匹菊 si ye pi ju
Pyrethrum abrotanifolium Bunge ex Ledebour, Fl. Ross. 2:
549. 1845; Chrysanthemum abrotanifolium (Bunge ex Ledebour)
Krylov.
Herbs, perennial, 30–60 cm tall, with thick rhizomes; stems
solitary, erect, upper parts branched, very sparsely pilose or glabrous.
Basal and lower stem leaves: petiole 3–5 cm; leaf blade
narrowly elliptic or linear-elliptic, ca. 14 × 2–4 cm, 2-pinnatisect,
both surfaces green, sparsely villous with glandular
and long, curved, simple hairs; primary lateral segments 7–
15-paired; ultimate segments filiform. Middle and upper stem
leaves similar, gradually smaller, sessile. Synflorescence an irregular
flat-topped panicle. Capitula 3–7, pedunculate. Involucre
coryliform, 9–11 mm in diam.; phyllaries in 4 rows, scarious
margin brown or dark brown, outer phyllaries lanceolate,
ca. 3.5 mm, abaxially sparsely pilose, middle and inner ones
narrowly elliptic to linear-elliptic, 4–5 mm, abaxially glabrous.
Ray florets white; lamina narrowly elliptic, 8–12 mm. Achenes
ca. 2.2 mm. Corona 0.3–0.5 mm, lobed or divided to 1/2 length.
Fl. and fr. Jul–Aug.
Mountain slopes; above 2000 m. Xinjiang [Kazakhstan, Mongolia,
Russia].
15. Tanacetum pulchrum (Ledebour) Schultz Bipontinus,
Tanaceteen, 49. 1844.
美丽匹菊 mei li pi ju
Pyrethrum pulchrum Ledebour, Icon. Pl. 1: 20. 1829;
Chrysanthemum pulchrum (Ledebour) C. Winkler; Tripleurospermum
pulchrum (Ledebour) Ruprecht.
Herbs, perennial, 15–35 cm tall, rhizomatous; stems solitary
or clustered, unbranched, villous with long, curved, simple
hairs, especially in upper part and near capitula. Basal leaves:
petiole to 4 cm; leaf blade linear or linear-oblong, 2–10 × 1–2
cm, 2-pinnatisect, both surfaces green, glabrous or somewhat
villous; primary lateral segments 6–12-paired; ultimate segments
linear or linear-lanceolate. Stem leaves similar, gradually
smaller, sessile. Capitulum solitary, terminal; peduncle villous
with rather dense and fluffy curved hairs. Involucre coryliform,
15–25 mm in diam.; phyllaries in 5 rows, scarious margin
broad, dark brown, outer phyllaries ovate or broadly ovate, 5–6
ANTHEMIDEAE
mm, middle and inner ones elliptic or broadly linear, 8–10 mm,
outer and middle ones abaxially villous with long simple hairs,
inner ones abaxially glabrous. Ray florets white; lamina linear,
1.5–3 cm, apex entire. Achenes 2.5–3 mm. Corona 1–1.2 mm,
divided to base. Fl. and fr. Aug.
Kobresia meadows, rocky slopes; ca. 2600 m. Xinjiang (Altay
Shan) [Kazakhstan, Mongolia, Russia].
16. Tanacetum richterioides (C. Winkler) K. Bremer & Humphries,
Bull. Nat. Hist. Mus. London, Bot. 23: 103. 1993.
单头匹菊 dan tou pi ju
Chrysanthemum richterioides C. Winkler, Trudy Imp. S.-
Peterburgsk. Bot. Sada 10: 86. 1887; C. merzbacheri B. Fedtschenko
ex Merzbacher; Pyrethrum karelinii Krascheninnikov;
P. richterioides (C. Winkler) Krasnov.
Herbs, perennial, 6–35 cm tall, rhizomatous; stems solitary
or clustered, erect or ascending, villous especially in upper part
and below capitula, hairs long, curved, and simple. Basal and
lower stem leaves: petiole to 4 cm; leaf blade narrowly elliptic,
2.5–6 × 1.5–2 cm, 2-pinnatisect, both surfaces green or pale
green, sparsely villous; primary lateral segments 4–10-paired;
ultimate segments narrowly elliptic. Middle and upper stem
leaves similar, gradually smaller. Capitula solitary, terminal,
long or shortly pedunculate. Involucre coryliform, 15–20 mm in
diam.; phyllaries in 4 rows, scarious margin broad, dark brown,
outer phyllaries lanceolate, 5–6 mm, abaxially sparsely villous,
middle and inner ones narrowly elliptic or oblanceolate, 5–6.5
mm, abaxially glabrous. Ray florets red or purple-red; lamina
broadly linear, 1.4–2 cm, apex minutely 3-denticulate. Corona
0.3–0.5 mm, divided for 1/2 length. Fl. Aug–Sep.
Mountain slopes, meadows, alluvial places; 2000–3100 m. Xinjiang
(Junggar Pendi, Tian Shan) [Kazakhstan].
17. Tanacetum kaschgarianum K. Bremer & Humphries,
Bull. Nat. Hist. Mus. London, Bot. 23: 102. 1993.
托毛匹菊 tuo mao pi ju
Pyrethrum kaschgharicum Krascheninnikov, Bot. Mater.
Gerb. Bot. Inst. Komarova Akad. Nauk S.S.S.R. 9: 158. 1946,
not Tanacetum kaschgaricum Krascheninnikov (1933).
Herbs, perennial, 15–30 cm tall, with branched rhizomes;
stems solitary or clustered, erect or ascending, simple, sparsely
villous, hairs long, curved, and simple. Basal and lower stem
leaves: petiole to 5.5 cm; leaf blade narrowly elliptic, 3–7 ×
1.5–2.5 cm, 2-pinnatisect, both surfaces gray-white, densely
hairy; primary lateral segments 4–9-paired; ultimate segments
narrowly elliptic or narrowly linear-elliptic. Middle and upper
stem leaves similar, sessile; leaves below capitulum pinnatifid.
Capitula solitary, terminal. Involucre coryliform, 10–15 mm in
diam.; phyllaries in 3 rows, scarious margin broad, dark brown,
outer phyllaries triangular-lanceolate, ca. 5 mm, middle and
inner ones elliptic or narrowly oblanceolate, ca. 6 mm, outer
and middle ones abaxially villous, inner ones abaxially glabrous.
Receptacle pilose with easily shed hairs. Ray florets
white or red; lamina elliptic, 6–10 mm, apex 2- or 3-denticulate.
Achenes 2.5–3 mm. Corona ca. 0.8 mm, divided to base. Fl.
and fr. Jun–Aug.