A flora of Manila - Rainforestation

KEY TO THE FAMILIES 35
10. Calyx and corolla similar, more or less united;
stamens somewhat adnate to the perianth.
22. Pontcderiaceae (p. 141)
7. Ovary inferior; plants with large fleshy fruits, and elon-
gated, spiny-toothed leaves 20. Bromeliaceae (p. 136)
6. Endosperm fleshy, cartilaginous, or bony.
7. Ovary and fruit superior 23. Liliaceae (p. 141)
7. Ovary and fruit inferior or partly so.
8. Stamens 6.
9. Ovary 3-celled; leaves simple, entire.
10. Erect herbs with parallel veined leaves and perfect
flowers 24. AmuryUidaceae (p. 145)
10. Twining or climbing vines, often spiny, with uni-
sexual flowers and netted veined leaves.
26. Dioscoreaceae (p. 151)
9. Ovary 1-celled; leaves netted-veined, compound or
palmately lobed 25. Taccaceae (p. 150)
8. Stamens 3 ; leaves narrow, often equitant.
5. Flowers very irregular; terrestrial plants.
27. Iridaceae (p. 152)
6. Fruit fleshy, indehiscent, or capsular and with small to
medium sized seeds.
7. Fertile stamens 5 28. Musaceae (p. 153)
7. Fertile stamen 1.
8. Anther 2-celled; calyx tubular or spathe-like.
29. Zingiberaceae (p. 155)
8. Anther 1-celled, borne on the margin of a petal-l^ke
filament; calyx of free sepals.
9. Ovules many; flowers showy, bright-colored, large.
30. Cannaceae (p. 160)
9. Ovules solitary; flowers mostly small, white.
31. Marantaceae (p. 163)
6. Fruit capsvilar; seeds very minute, almost dust-like; epiphytic
or terrestrial plants, sometimes saprophytic.
B. Dicotyledoneae
32. Orchidaceae (p. 164)
1. Corolla none, or the perianth-segments all alike, or the perianth entirely
wanting 1. Apetalae
(Incompletae)
1. Calyx and corolla both present, the corolla of distinct and separate
petals 2. Choripetalae (p. 37)
(Polypetalae)
1. Calyx and corolla both present, the petals more or less united.
3. Gamopetalae (p. 42)
(Sympetalae)