FIGURE 4 in ---Hoya---papaschonii---(Apocynaceae: Asclepiadoideae), a new species from southern Thailand with a peculiar corona

FIGURE 4. Photographs of a living plant of Hoya papaschonii cultivated at the Singapore Botanic Gardens (acc. no. 20132440): a. Flowering branch and paired fruits; b. Bud; c. Flower, lateral view; d. Flower with two corolla lobes removed, showing the position of the corona basally enveloped by the corolla lobes; e. Flower, longitudinal section; f. Flower, viewed from above; g. Calyx lateral view; h. Calyx and ovaries, viewed from above; i. Corona, lateral view; j. Corona, top view; k. Flower, longitudinal section with the position of the guide rail highlighted in black; l. Anther and anther appendages (after removal of one staminal corona lobe). Photographs by M. Rodda. The parts of the gynostegium are labelled as: A = Anther; Aa = Anther appendage; C(is) = interstaminal corona lobe; Cs = Staminal corona lobe; G = Guide rail; Re = Retinaculum; S = Stigma; Sh = Stigma head.