Explanation
- A
Asclepiadaceae
(a) Asclepiadaceae. Milkweed family yields latex and some fibres, not Polynesian tapa bark-cloth.
- B
Moraceae
(b) Moraceae. Tapa (kapa, siapo) is beaten bark-cloth, classically from paper mulberry (Broussonetia papyrifera) and other Moraceae figs. That family is the official key.
- C
Graminae
(c) Graminae. The grass family gives cereals and bamboo, not tapa.
- D
Malvaceae
(d) Malvaceae. Cotton and hibiscus are Malvaceae; cotton cloth is spun fibre, not beaten tapa.
Summary. Official key is (b) Moraceae. Tapa is Pacific bark-cloth from mulberry and fig inner bark. Moraceae also includes Ficus and Artocarpus (breadfruit), sometimes used for similar cloth. Grasses, mallows and milkweeds are the wrong families. Neighbouring exam fibre: jute is Tiliaceae/Malvaceae s.l., cotton is Gossypium (Malvaceae).
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