Yellow flowers. Flowers growing all the way up the stem. Fleshy leaves starting from base of plant.
See 3-4 of this in this location in China for the first time.
曲紋紫灰蝶 (Chilades pandava / Plains Cupid,漁護處更評為不常見物種,因其幼蟲只食用一種叫蘇鐵的植物。
Reference : http://www.afcd.gov.hk/tc_chi/conservation/hkbiodiversity/database/popup_record.asp?id=2946
蘇鐵 : http://hast.sinica.edu.tw/chinese/plant_c/Sago%20palm.htm