inflorescence of loose compound umbels; peduncles much-branched;

1、

peduncles terminal and lateral, stout, branching, mostly longer than leaves;

花序梗顶生和侧生，粗壮，分枝，多数长于叶；

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2、

umbels loosely compound; peduncles terminal and lateral, usually exceeding the leaves;

复伞形花序稀疏花序梗顶生和侧生，通常超过叶；

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3、

inflorescences terminal or pseudoaxillary, mostly racemose-paniculate, usually bisexual, with long peduncles;

花序顶生或假腋生圆锥状，多数总状，通常两性，具长花序梗；

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4、

inflorescence loose compound umbels, peduncles terminal and axillary, many-branched, lateral umbels usually exceeding central;

花序松散复合伞形花序，花序梗顶生和腋生，多分枝，侧生伞形花序通常超过中心；

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5、

branchlets, petioles, leaves, peduncles, and pedicels grayish yellow tomentose. outer sepals 1-1. 3 cm. corolla ca. 3. 2 cm.

小枝，叶柄，离开，花序梗和花梗淡灰黄色被绒毛。外部萼片1-1.3厘米花冠大约3.2厘米。

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6、

fruit ca. 10 mm in diam. , pyrenees narrowly ellipsoidal, 9-10 mm, abaxially 1-sulcate; branchlets, peduncles, and pedicels glabrous.

果约10毫米直径，勉强椭圆体的果核，9-10毫米，背面1具槽；小枝，花序梗和花梗无毛。

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7、

peduncles ca. 2 cm.

花序梗长约2厘米。

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8、

peduncle long, 1-2. 5 cm; branchlets, petioles, and peduncles often with sparse short hairs.

花序梗长，1-2.5厘米；小枝，叶柄和有稀少短的头发的花序梗通常。

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9、

inflorescences in middle and upper leaf axils, divaricately 2-flowered; peduncles longer than petioles, 3-5 cm.

花序梗长于叶柄，1-2厘米的花梗3-5厘米，被微柔毛的多少，在中部以上；

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10、

peduncles erect or slightly spreading, longer than or ca. equal to leaves, 4-7 cm, slender.

花序梗直立或稍开展，长于或近等长于叶，4-7厘米，纤细。

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11、

proximal peduncles ca. 2. 5 cm, distal ones short or flowers borne directly on primary axis.

下部的花序梗长约2.5厘米，上部的短或花直接在主轴上着生。

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12、

peduncles and pedicels glabrous. sepals 6.

花序梗和花梗无毛。萼片6。

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13、

peduncles short, not longer than 2 mm, ferruginous tomentose.

花序梗短，不长于2毫米，被锈色绒毛。

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14、

peduncles rust-brown pubescent.

花序梗锈棕色短柔毛。

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15、

peduncles erect, nearly as long as upper leaves, slender.

花序梗直立，近等长上面叶，纤细。

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16、

scapes or peduncles usually numerous.

花葶或者花序梗通常许多。

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17、

shrubs 4 m tall, densely yellow-brown tomentose on branches, petioles, leaves abaxially, peduncles, and pedicels.

灌木4米高，浓密在分枝，叶柄，叶背面，花序梗和花梗上被绒毛的黄褐色。

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18、

inflorescences with distinct peduncles, to 10 cm, ebracteate.

花序具离生的花序梗，对10厘米，无苞片。

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19、

stems (and often petioles, peduncles) winged; corolla ca. 2 as long as calyx, white with yellow center.

茎（并且通常叶柄，花序梗具翅；花冠约2个倍于花萼，白色的具黄的中心。

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20、

branchlets, petioles, and peduncles glabrous; leaflets abaxially glabrous or sparsely pubescent on veins.

小枝，叶柄和花序梗无毛；小叶背面无毛或疏生短柔毛在脉上。

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