1 |
Flowers large, more than 1 cm in diam.; disk large, 7-8 mm in diam., usually 3-12 ovules per cell
|
(2)
|
1 + |
Flowers small, less than 1 cm in diam.; disk small, 2-5 mm in diam., usually 2 ovules per cell
|
(6)
|
2 (1) |
Flowers and fruit 5-merous
|
(3)
|
2 (1) + |
Flowers and fruit 4-merous
|
(4)
|
3 (2) |
Petals with obvious black or purple veins toward margin; leaf blade elliptic, less than 6 cm; capsule 1.2-1.6 cm.
(84)
|
E. tingens
|
3 (2) + |
Petals without black or purple veins; leaf blade linear to lanceolate, or obovate; capsule ca. 2.5 cm.
(89)
|
E. yunnanensis
|
4 (2) |
Capsule with 4 large winglike angles, up to 1 cm.
(56)
|
E. chengii
|
4 (2) + |
Capsule without wings, only angular
|
(5)
|
5 (4) |
Leaf blade usually long elliptic to oblong, or oblanceolate.
(62)
|
E. grandiflorus
|
5 (4) + |
Leaf blade usually ovate to elliptic, or obovate.
(55)
|
E. carnosus
|
6 (1) |
Leaf blade usually small, less than 6(-7) cm; branches and twigs tuberculate or black warty
|
(7)
|
6 (1) + |
Leaf blade usually large, more than 7 cm; branches and twigs smooth
|
(13)
|
7 (6) |
Leaf blade ovate, oblong, elliptic, or lanceolate, usually more than 1 cm wide
|
(8)
|
7 (6) + |
Leaf blade linear, oblong-linear, linear-elliptic, or linear-lanceolate, usually less than 1 cm wide
|
(10)
|
8 (7) |
Branches and twigs with tubercle or black warts; capsule subglobose.
(86)
|
E. verrucosus
|
8 (7) + |
Branches and twigs without tubercle or black warts; capsule oblong or pear-shaped
|
(9)
|
9 (8) |
Leaf blade thickly leathery, rotund-oblong; capsule wider than long.
(76)
|
E. percoriaceus
|
9 (8) + |
Leaf blade papery, lanceolate; capsule longer than wide, pear-shaped.
(80)
|
E. semenovii
|
10 (7) |
Branches and twigs terete; flowers pale yellow.
(83)
|
E. ternifolius
|
10 (7) + |
Branches and twigs with 4 corky wings; flowers white-green or greenish yellow
|
(11)
|
11 (10) |
Leaf blade linear, 2-4 × ca. 2 mm.
(68)
|
E. lichiangensis
|
11 (10) + |
Leaf blade linear-elliptic or linear-lanceolate, 2-7 × 2-20 mm
|
(12)
|
12 (11) |
Leaf blade linear-elliptic, 2-4 × 3-10 mm; flowers white-green or greenish yellow.
(73)
|
E. nanoides
|
12 (11) + |
Leaf blade linear-lanceolate, 2-7 × 2-20 mm; flowers white-green.
(72)
|
E. nanus
|
13 (6) |
Leaves deciduous
|
(14)
|
13 (6) + |
Leaves evergreen
|
(20)
|
14 (13) |
Flowers and fruit 5-merous.
(58)
|
E. dolichopus
|
14 (13) + |
Flowers and fruit 4-merous
|
(15)
|
15 (14) |
Young branches with narrow corky wings.
(77)
|
E. phellomanus
|
15 (14) + |
Young and old branches without wings
|
(16)
|
16 (15) |
Capsule with obscure angles
|
(17)
|
16 (15) + |
Capsule with strong angles and grooves
|
(18)
|
17 (16) |
Capsule apiculate; leaf blade apex acute or acuminate, margin crenate or serrate.
(64)
|
E. hui
|
17 (16) + |
Capsule without apiculus; leaf blade apex rounded, margin small crenate.
(87)
|
E. viburnoides
|
18 (16) |
Leaf blade smooth on both surfaces.
(69)
|
E. maackii
|
18 (16) + |
Leaf blade rugose on both surfaces
|
(19)
|
19 (18) |
Leaf blade 11-13(-15) cm, apex acute or acuminate.
(63)
|
E. hamiltonianus
|
19 (18) + |
Leaf blade 9-10 cm, apex rounded.
(75)
|
E. parasimilis
|
20 (13) |
Petals usually fimbriate to denticulate on margin
|
(21)
|
20 (13) + |
Petals entire
|
(22)
|
21 (20) |
Petals pink to red or purple, cymes 15-20 cm.
(66)
|
E. laxicymosus
|
21 (20) + |
Petals white to green, fimbriate, cymes up to 8 cm.
(59)
|
E. gibber
|
22 (20) |
Flowers and fruit 5-merous
|
(23)
|
22 (20) + |
Flowers and fruit 4-merous
|
(28)
|
23 (22) |
Leaf blade margin large denticulate; petals red-pink to black-purple, ca. 1 cm in diam..
(57)
|
E. chloranthoides
|
23 (22) + |
Leaf blade margin without large denticles; petals purple, white, cream, or greenish white to green
|
(24)
|
24 (23) |
Petals white, cream, or greenish white to green
|
(25)
|
24 (23) + |
Petals purple
|
(26)
|
25 (24) |
Leaf blade long lanceolate, leathery, margin finely remotely serrate.
(85)
|
E. tsoi
|
25 (24) + |
Leaf blade ovate, elliptic to oblong, margin distally crenulate, proximally entire.
(60)
|
E. glaber
|
26 (24) |
Leaf blade with serrate margin.
(81)
|
E. serratifolius
|
26 (24) + |
Leaf blade entire to crenulate to sparsely denticulate
|
(27)
|
27 (26) |
Leaf blade elliptic-obovate or ovate, 6-10 × 2.5-3.5 cm.
(67)
|
E. laxiflorus
|
27 (26) + |
Leaf blade long subulate or broadly linear, ca. 14 × 2 cm.
(90)
|
E. prismatomerioides
|
28 (22) |
Leaf blade narrowly elliptic, delicate.
(61)
|
E. gracillimus
|
28 (22) + |
Leaf blade variously ovate
|
(29)
|
29 (28) |
Veins curved or nearly arched; leaf blade elliptic to ovate
|
(30)
|
29 (28) + |
Veins pinnate; leaf blade lanceolate to oblong
|
(32)
|
30 (29) |
Leaf blade veins even with surface.
(70)
|
E. microcarpus
|
30 (29) + |
Leaf blade veins concave adaxially and prominent abaxially
|
(31)
|
31 (30) |
Leaf blade usually entire, sometimes slightly serrate toward apex.
(54)
|
E. bullatus
|
31 (30) + |
Leaf blade margin ciliate to sharply and finely denticulate.
(82)
|
E. tenuiserratus
|
32 (29) |
Leaf blade large, ca. 16 cm
|
(33)
|
32 (29) + |
Leaf blade small, less than 13 cm
|
(34)
|
33 (32) |
Leaf blade obovate-elliptic or oblong-lanceolate, 7-11 × 2.5-5 cm, margin large denticulate.
(71)
|
E. myrianthus
|
33 (32) + |
Leaf blade long lanceolate, 10-15 × ca. 3 cm, margin remotely serrulate.
(79)
|
E. salicifolius
|
34 (32) |
Capsule 2-2.8 cm.
(88)
|
E. wui
|
34 (32) + |
Capsule 0.8-1.7 cm
|
(35)
|
35 (34) |
Leaf blade thickly papery to thinly leathery; capsule more than 1.5 cm.
(65)
|
E. kachinensis
|
35 (34) + |
Leaf blade thickly leathery; capsule 0.8-1.7 cm
|
(36)
|
36 (35) |
Leaf blade narrowly lanceolate, acuminate or acute at both ends, pubescent on both surfaces; mature fruit pubescent.
(78)
|
E. pittosporoides
|
36 (35) + |
Leaf blade usually oblong to ovate, cordate or nearly so at base; leaf and fruit without pubescence.
(74)
|
E. nitidus
|