Helianthus. — Coreopsis. 997 
M. ma. M. p. N.d. N.f. N. v. D. a. Sept. Cultivated in gardens 
and often subspontaneous. 
Local name: habb-esh-shems. 
Origin of America. 
1375. (4.) Helianthus tuberosus L. Spec. Plant. I (1753), 
p- 905. — Jacq. Hort. Vindob., tab. 161. — Helianthus doronicoides 
Torr. and Gray Flor. II; p.327 not of Lam. — A perennial plant, 
pubescent; stems 60 cm to 3m high, scabrous to hirsute, often 
branching above; leaves mostly alternate; blades thickish, ovate to 
lanceolate, 8— 20 cm long, acuminate acuminate, more or less serrate, 
cuneate to subcordate at the base, commonly pubescent beneath, 
scabrous above, terminating petiole-likes bases; heads showy; in- 
volucral bracts rather foliaceous, linear to linear-lanceolate, 1,5 to 
2.5 cm long, ciliate, long-attenuete, often pubescent on the back; 
ray-flowers numerous; ligules bright yellow, 2,5—4 cm long; disk 
yellow, 1,5—2 cm broad. — Flow. March to April. 
N. d. Cairo, often cultivated in gardens and rarely subspontaneous. 
Local name: truff; tartiff. 
Also known from America. 
573. (33.) Coreopsis Linn. 
Capitula heterogamous radiate; ray-flowers 1-seriate, conspicuous, 
female or neuter. Involucre duplex; outer bracts more or less 
herbaceous, linear or linear-lanceolate, inner membranous, subequal, 
1—2-seriate, broader than the outer; bracts sometimes appearing 
more or less connate at the base. Scales of receptacle plane or slightly 
concave, membranous,- striate. Anther-base entire or bidentate. 
Style-branches truncate or with an abrupt subulate appendix. Achenes 
usually much compressed, linear oblong or obovate; margins sometimes 
winged (in the Egyptian species thickened), apex with 2 filiform 
subulate or broad-based aristae, usually barbellate with setae directed 
upwards. — Herbs or frutescent more or less, with opposite often 
pinnatisect or deeply divided simple leaves and pedunculate solitary 
or variously cymose yellow conspicuous heads. 
A large genus of warm regions; species most numerous in the New World. 
1376. Coreopsis chrysantha Vatke in Linnaea XXXIX (1875), 
p. 499. — Oliv. Flor. Trop. Afric. TIT, p. 388. — Coreopsis Rueppellii 
Sch. Bip. in Walp. Rep. VI, p. 163. — Verbesina Rueppellii A. Rich. 
Tentam. Flor. Abyss. I, p.410. — Erect perennial pallid herb, 60 cm 
to 1,20 m high. Stems from a woody stock, striate, glabrous below. 
Leaves tripartite or not lobed; lobes lanceolate or linear, acutely 
