Eclipta COMPOSITAE Coreopsis 



prostrate annual, to 5 dm.; fls. white, VII-IX. Tropical and subtropical countries; 

 locally in An., Ki., Ku. Margins of rice fields. Fig. 380. 



20. Rudbeckia Linn. Coneflower ^it^M (Chin Kuan Chii Shu) 



Coarse herb with alternate simple deeply lobed or pinnatifid Ivs. and showy radiate 

 heads, with conic receptacle; the peduncle not enlarged and hollow at the top; bracts 

 of the involucre overlapping and in 2-4 series: rays yellow: frs. short and thick, 

 4-angled; pappus crown-like, cup-like or none. 30 species, in North America; one 

 cultivated in China. (Named in honor of Professors Rudbeck: Olaf, 1630-1702, the 

 father, and Olaf, 1660-1740, the son, who preceded Linnaeus at Uppsala.) 



1. Rudbeckia laciniata Linn. var. hortensis Bailey Golden Glow fcit^j (Chin Kuan 

 Chu) (G.M.1481). Brg. perennial to 2 m.; fls. yellow, very double; all the disk 

 corollas transformed to ligules, VIII. Cultigen; locally in Ki., Ku. Cultivated, 

 ornamental. 



21. Tithonia Desf. igfs^M (Wang Yeh K'uei Shu) 

 Tall stout annual (ours) with alternate petioled entire or 3-lobed Ivs. and large 

 radiate heads on long peduncles which are swollen and hollow at the top: frs. oblong, 

 thickened, somewhat hairy; pappus persistent, of 2 awns and several squamellae. 10 

 species; in tropical America; one cultivated in China. (From Tithonius, the favorite 

 of Aurora, the Greek goddess of the morning.) 



1. Tithonia diversifolia (Hemsl.) Gray 3Eii?^ (Wang Yeh K'uei; Prince -of -sunflowers) 

 (B.M.997). Stout herb to 3 m.; fls. deep orange, IX-X. Introduced from tropical 

 America; locally in Ku. Cultivated, ornamental. 



22. Helianthus Linn. Sunflower fnlH^H (Hsiang Jih K'uei Shu) 

 Coarse erect tall herbs with ample Ivs. usually opposite below and alternate above, 

 in ours not lobed or cleft; heads large, over 5cm. in diam., radiate; bracts of the 

 involucre overlapping, of several series: rays conspicuous, yellow: receptacle with 

 chaffy scales: style brs. tipped by hairy appendages; frs. plump or somewhat 

 4-angled; pappus of thin chaffy scales, early deciduous. 70 species, in temperate and 

 tropical America; 2 cultivated or naturalized in China. (Greek: helios, sun; and 

 anthos, a flower.) 



Key to the Species 



Heads 8-15 cm. in diam.; disc brownish purple: plant annual 1. H. annuus 



Heads 5-8cm. in diam.; disc yellow: plant perennial, with tubers 2. H. tuberosus 



1. Helianthus annuus Linn. Common Sunflower I^Hi (Hsiang Jih K'uei; Facing- 

 the-sun Mallow) (B.M.998). Stout annual, to 4 m.; fls. yellow, VIII-X. Introduced 

 from North America; locally in An., Che., Ki., Ku. Cultivated, fruit. Fig. 381. 



2. Helianthus tuberosus Linn. Girasole ^f¥ (Chu Yu; Chrysanthemum Taro) 

 (B.M.998). Brg. perennial, to 3 m.; fls. yellow, VII-X. Introduced from North 

 America; locally in An., Che., Ki., Ku. Cultivated, tubers. 



23. Coreopsis Linn. Tickseed _<feU3f M (Chin Chi Chii Shu) 

 Erect herbs (ours) or shrubs with mostly opposite Ivs.: heads medium or large, 



III!' 



