Paul Wilkin

Dioscorea communis or Tamus communis is a species of flowering plant in the yam family Dioscoreaceae and is commonly known as black bryony, lady's-seal or black bindweed.

Dracaena kaweesakii (Kaweesak's dragon tree; Thai: Chan nuu or Chan pha krai) is a species of dragon tree. It can reach 12 metres (39 ft) in both height and crown diameter. It is only found growing atop the limestone mountains in the Loei and the Lop Buri Provinces of Thailand.

Dioscorea orangeana is a tuberous vining flowering plant in the genus Dioscorea, endemic the Forêt d’Orangea near Antsiranana in Madagascar, from which it derives its name. The tuber is possibly edible, and unlike most other Dioscorea species, the tuber has many finger-like lobes as opposed to a single tuber. Because the plant is new to science and the possible harvesting by local populations, the conservation status of Dioscorea orangeana is of great concern.

Dioscorea juxtlahuacensis is a plant species endemic to a small area in the State of Oaxaca in southern Mexico. It is known only from the Santiago Juztlahuaca District in the Sierra Madre del Sur mountains, where it grows in deciduous oak-juniper forests at elevations of 1500–1700 m. Dioscorea juxtlahuacensis is a perennial vine spreading by means of underground rhizomes, trailing on the ground or twining onto other vegetation up to 60 cm above ground. Leaves are heart-shaped, up to 3 cm long and 4 cm wide. Staminate (male) inflorescences are up to 10 cm long, with 1-4 green flowers, formed

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Dioscorea strydomiana is a critically endangered species of yam (family Dioscoreaceae) from South Africa with fewer than 250 mature individuals known to exist.

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Dracaena jayniana is a species of plant in the genus Dracaena. It was described by Paul Wilkin and Piyakaset Suksathan in 2012. It is known as Chan daeng in Thai. The specific epithet is named for Jayne Spasojevic, a donor to a school in Portfield, Dorset.

Gagea flavonutans is an Asian species of plants in the lily family, native to Tibet, Nepal, Sikkim, Bhutan, and Assam. Gagea flavonutans is a bulb-forming perennial up to 25 cm tall. Flowers are yellow with purple veins. It grows in thickets and meadows at elevations of 4000–5000 m.

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