Purple Chinese Hat (Holmskioldia tettensis) 蝶心花
Flower image see links below. 花照請看以下連結.

Purple Chinese Hat Seeds. (Holmskioldia tettensis) 蝶心花的種子.
Tropical shrub/climber with unique flowers blooming almost all year around. Flowers attract bees, butterflies and hummingbirds! Plants flower all year around in violet/lilac butterfly like flower in center of the rosy pink bracket. Lovely! Easy to grow. Best growing in full sun to partial shade location. USDA Zones:9-11. Mature size:8′-10′(H) X 4′-6′(W). Propagate by seeds, layering or cuttings.
冬紅花屬的灌木/木質藤. 它是熱帶開花灌木/藤有著幾乎全年盛開的蝴蝶形的藍紫色花,粉紅色的花萼比真正的花還要顯眼. 花頗吸引蜂蝶與蜂鳥. 很美! 容易栽種. 最好栽種在全日照到半日照處. 喜熱不耐寒. 成熟株高8-10呎,寬幅4-6呎. 繁殖以種子,壓條或扦插方式來進行.
Reference links: 參考網站資料連結:
http://www.logees.com/purple-chinese-hat-plant-holmskioidia-tettensis.html http://davesgarden.com/guides/pf/go/2446/#b https://en.wikipedia.org/wiki/Karomia_speciosa http://toptropicals.com/catalog/uid/HOLMSKIOLDIA_TAITENSIS.htm
They have an interesting shape. I can see why the “hat" is part of the name.
Its seeds do have interesting shape!