9. Tribe ANTHEMIDEAE

oadly linear, gradually smaller, pinnatipartite or entire. Synflorescence
a lax flat-topped cyme. Capitula 2–5, 1.5–4.5 cm in
diam. Involucres cup-shaped; phyllaries in 4 rows, abaxially
glabrous or sparsely pubescent only in outer ones, scarious
margin white or brown, outer ones linear or linear-lanceolate,
3.5–8 mm, middle and inner ones elliptic or narrowly elliptic,
3–7 mm. Ray floret lamina white or purple-red, 1–2 cm, apex
entire or minutely emarginate. Achenes ca. 1.8 mm. Fl. and fr.
Jul–Sep. 2n = 54*, 72.
Mountain slopes, streamsides, forest understories, grasslands, open
places in forests; 800–1800 m. Anhui, Gansu, Hebei, Heilongjiang, Hubei,
Jilin, Liaoning, Nei Mongol, Ningxia, Shaanxi, Shandong, Shanxi
[Mongolia, Russia].
Chrysanthemum zawadskii played a significant role in the development
of the frost-hardy “Korean chrysanthemums.”
17. Chrysanthemum maximowiczii Komarov, Izv. Imp. Bot.
Sada Petra Velikago 16: 179. 1916.
细叶菊 xi ye ju
Dendranthema maximowiczii (Komarov) Tzvelev.
Herbs, biennial. Stems 8–30 cm tall, erect, solitary,
branched above middle, lower parts sparsely pilose. Lower and
middle stem leaves shortly petiolate; leaf blade ovate or broadly
ovate, 2–2.5 × 2.5–3 cm, 2-pinnatisect; primary lateral segments
2-paired; ultimate segments linear or narrowly linear,
apex long acuminate. Distal stem leaves and leaves below synflorescence
pinnatisect. Synflorescence a lax flat-topped cyme.
Capitula 2–4. Involucres shallowly cup-shaped, 1–1.5 cm in
diam.; phyllaries in 4 rows, scarious margin white or brown,
outer ones linear, 5–6 mm, abaxially sparsely pubescent, middle
and inner ones elliptic to oblanceolate, 7–8 mm, middle ones
abaxially sparsely pubescent or glabrous, inner ones abaxially
glabrous. Ray floret lamina white or pink, 1–1.5 cm, apex minutely
3-denticulate. Fl. Jul–Sep.
Mountain slopes, nearby lakes, sand dunes; 1200–1300 m. Nei
Mongol [Korea, Russia].
18. Chrysanthemum glabriusculum (W. W. Smith) Handel-
Mazzetti, Symb. Sin. 7: 1112. 1936.
拟亚菊 ni ya ju
Tanacetum glabriusculum W. W. Smith, Notes Roy. Bot.
Gard. Edinburgh 10: 202. 1918; Ajania glabriuscula (W. W.
Smith) Y. Ling; Chrysanthemum brachyglossum Y. Ling; Dendranthema
glabriusculum (W. W. Smith) C. Shih.
Herbs, perennial, 60–80 cm tall. Stems erect, branched
above middle, pubescent especially in middle and upper parts.
Middle stem leaves ovate, obovate, or elliptic, 2.5–6 × 1.5–3
cm, 2-pinnatisect, abaxially gray-white, densely and thickly appressed
pubescent, adaxially green or pale green, sparsely pubescent
or glabrous; primary lateral segments 2-paired; ultimate
segments lanceolate or obliquely triangular. Synflorescence
a terminal flat-topped compound panicle. Capitula many.
Involucres campanulate, 5–10 mm in diam.; phyllaries in 4
rows, abaxially sparsely pubescent along midvein, scarious
margin brown or white, outer ones lanceolate or triangularlanceolate,
2–3 mm, middle and inner ones narrowly elliptic, 4–
ANTHEMIDEAE
675
5.5 mm. Ray floret lamina yellow, 1–2.5 mm, apex 2- or 3denticulate
or entire. Fl. Sep–Oct. 2n = 18*.
● Mountain slopes; 900–2600 m. Shaanxi, Sichuan, Yunnan.
19. Chrysanthemum dichroum (C. Shih) H. Ohashi &
Yonekura, J. Jap. Bot. 79: 188. 2004 [“dichrum”].
异色菊 yi se ju
Dendranthema dichroum C. Shih, Bull. Bot. Lab. N. E.
Forest. Inst., Harbin 6: 8. 1980 [“dichrum”].
Herbs, perennial, ca. 30 cm tall, with robust rhizomes. Primary
stems inconspicuous, much branched from base, densely
pubescent, leafy. Petiole ca. 5 mm; leaf blade oblique, elliptic or
narrowly elliptic, 1–1.5 × 0.5–1 cm, pinnatisect, abaxially white
or gray-white, densely appressed pubescent, adaxially green,
glabrous or nearly so, lateral segments 1-paired, narrowly elliptic
or lanceolate, terminal segments similar to lateral ones, 2dentate
on one side, 1-dentate on other; apex cuneate-attenuate;
leaves below capitula linear, entire. Synflorescences terminal on
branches. Capitula usually solitary (or up to 3), small; peduncles
densely appressed pubescent. Involucres cup-shaped, ca. 5
mm in diam.; phyllaries in 3 rows, abaxially densely pubescent,
scarious margin broad, outer ones lanceolate, ca. 1.5 mm, apex
rounded, brown, scarious, middle and inner ones elliptic, ca. 2.5
mm, middle ones densely pubescent abaxially, inner ones glabrous
abaxially. Ray floret lamina yellow, ca. 3 mm. Achenes
ca. 1 mm. Fl. and fr. Aug.
● Mountain slopes. Hebei (Neiqiu).
In the protologue, the epithet is given as “dichrum,” which cannot
be translated. It seems rather likely that it must be a typographical
error for “dichroum,” perhaps referring to the 2-colored leaf blades
mentioned in the protologue.
20. Chrysanthemum argyrophyllum Y. Ling, Contr. Inst. Bot.
Natl. Acad. Peiping 3: 465. 1935.
银背菊 yin bei ju
Dendranthema argyrophyllum (Y. Ling) Y. Ling & C.
Shih.
Herbs, perennial, 10–35 cm tall. Stems erect or ascending,
robust branched, rarely unbranched, gray-white, densely and
thickly villous. Basal leaves small, leaf blade orbicular or suborbicular;
lower and middle stem leaves: petiole 2–3.5 cm; leaf
blade orbicular, suborbicular, broadly elliptic, broadly ovate, or
oblanceolate, 2–3 × 2.5–3.5 cm, abaxially silvery, densely and
thickly appressed villous, adaxially green, glabrous or glabrescent,
undivided or lyrate-pinnatipartite, base cordate or truncate,
margin dentate or double-dentate. Upper stem leaves smaller,
oblanceolate or narrowly obovate, coarsely toothed or lyratepinnatipartite.
Synflorescence a terminal flat-topped cyme.
Capitula (1–)3 or 4, 3–4 cm in diam. Involucre cup-shaped, 2–3
cm in diam.; phyllaries in 5 rows, abaxially densely appressed
pubescent, scarious margin brown or white, outer ones large,
herbaceous, elliptic or oblanceolate, pinnatifid, 1–1.5 cm, middle
and inner ones broadly linear, linear-lanceolate, or elliptic,
8–9 mm. Ray floret lamina white, ca. 10 mm. Achenes ca. 2.2
mm. Fl. and fr. Aug–Sep.
● On rocks of mountain slopes; 1400–2100 m. Henan, Shaanxi.