1 Herb of the Pacific islands grown throughout the tropics for its edible root and in temperate areas as an ornamental for its large glossy leaves (4)
3 A long sleeveless vestment worn by a priest when celebrating Mass (8)
9 A movement back from an impact (7)
10 Act in concert or unite in a common purpose or belie (5)
11 Lower in rank, power, or authority (5)
12 A member of a legation (6)
14 A residential part of town away from the central commercial district (6)
16 A phenomenon that follows and is caused by some previous phenomenon (6)
19 An absence of emotion or enthusiasm (6)
21 An island of central Hawaii; a pineapple-growing area (5)
24 At or on or to the masthead or upper rigging of a ship (5)
25 Cause to be more favorably inclined; gain the good will of (7)
26 A shade of green tinged with yellow (3,5)
27 Move so that an opening or passage is obstructed; make shut (4)

1 Highly involved or intricate (8)
2 Marked by excessive enthusiasm for and intense devotion to a cause or idea (5)
4 (informal) a quick private conference (6)
5 Move or walk in a swinging or swaying manner (5)
6 Caramelized sugar cooled in thin sheets (7)
7 Make level or straight (4)
8 A hole in the ground made by an animal for shelter (6)
13 Conspicuously and offensively loud; given to vehement outcry (8)
15 Granular preparation of cassava starch used to thicken especially puddings (7)
17 Simple and unpretentious in behavior (6)
18 A complex of enzymes that cause glycolysis; originally found in yeast but also present in higher organisms (6)
20 A person who gives private instruction (as in singing or acting) (5)
22 Underneath, below, directly under (5)
23 Press down tightly (4)