Camphora officinarum Nees (Synonym : Cinnamomum camphora (L.) J.Presl var. linaloolifera Y.Fujita)

Family : Lauraceae

Campsis grandiflora (Thunb.) K.Schum. (Synonym : Incarvillea grandiflora Spreng.)

Family : Bignoniaceae

Campylotropis macrocarpa (Bunge) Rehder (Synonym : Campylotropis macrocarpa (Bunge) Rehder f. rosea Uyeki)

Family : Fabaceae

Canavalia ensiformis DC. (Synonym : Dolichos incurvus Thunb.)

Family : Fabaceae

Canavalia lineata (Thunb.) DC. (Synonym : Dolichos lineatus Thunb.)

Family : Fabaceae

Canna × generalis L.H.Bailey

Family : Cannaceae

Cannabis sativa L. (Synonym : Cannabis foetens Gilib.)

Family : Cannabaceae

Capillipedium parviflorum (R.Br.) Stapf (Synonym : Bothriochloa parviflora (R.Br.) Ohwi)

Family : Poaceae

Capsella bursa-pastoris (L.) Medik. (Synonym : Capsella bursa-pastoris (L.) Medik. var. coreana H.Lév.)

Family : Brassicaceae

Capsicum annuum L. (Synonym : Capsicum longum DC.)

Family : Solanaceae