sepals broadly ovate, persistent, ascending, glabrous or puberulent, base of lateral pair not saccate.

1、

stems erect or ascending, branched from base, minutely puberulent with simple or short-stalked trichomes less than 0. 1 mm, rarely glabrous.

茎直立或上升，单的分枝自基部，稍被微柔毛具或短茎不到0.1毫米，很少无毛。

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2、

stem solitary, rigid, branching from the middle, solid, acute-ridged, deeply fluted, nodes puberulent or glabrous.

茎单生，硬质，中间分枝，实心，锐尖使成脊状，深深具沟，节被微柔毛或无毛。

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3、

calyx densely glandular puberulent outside, red glandular; leaves succulent.

浓密具腺被微柔毛的花萼在外面，红色具腺；叶肉质的。

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4、

leaf blade persistently downy-puberulent; pedicel and calyx densely puberulent with mostly short, weak hairs.

叶片持续具短绒毛被微柔毛；花梗和花萼用主要短，弱的头发密被微柔毛。

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5、

2 (1) stem and raceme densely spreading puberulent, mixed with a few yellow, glandular hairs.

茎和总状花序浓密开展被微柔毛的的，混合具一些黄，腺毛。

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6、

leaf margin serrulate or inconspicuously undulate, petiole and veins on abaxial leaf surface sparsely puberulent.

叶缘有细锯齿或不明显波状，叶柄和脉在疏生微柔毛叶背面上。

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7、

teeth semicircular to circular, stellate puberulent, apex spinescent-acuminate.

对圆，星状微柔毛半圆的齿，先端具刺渐尖。

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8、

fruit base rounded, obtuse, or truncate, valves not reticulate or obscurely reticulate, glabrous or sparsely puberulent when young.

果基部圆形，钝，或截形，裂爿并非网状的网状或不明显，或疏生微柔毛幼时。

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9、

stems ascending or erect, simple, densely ferruginous-furfuraceous, sparsely puberulent.

茎上升或直立，单，浓密铁锈色软鳞片，疏生微柔毛。

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10、

calyx lobes broadly ovate, acute or obtuse, puberulent, ciliate, inconspicuously pellucid punctate-lineate.

萼裂片宽卵形，锐尖或钝，被微柔毛，具缘毛，难以觉察透明具线纹。

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11、

young branches, annual branches, and petioles sparsely or densely grayish pubescent; pedicels sparsely puberulent.

浓密的幼枝，一年生枝和叶柄疏生或浅灰色的短柔毛；花梗疏生微柔毛。

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12、

trunk to 50 cm d. b. h. branchlets densely puberulent with a few much longer hairs, usually tipped with slender inconspicuous spines.

通常，树干兑50厘米直径小枝密被微柔毛具一些非常长毛端部具纤细不明显刺。

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13、

bracts mound-shaped, arranged in disconnected rings, sparsely puberulent, covered with waxy scalelike trichomes.

苞片小丘形成，在拆开的戒指，疏生微柔毛排列，为腊制鳞片状所覆盖。

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14、

fruit a drupaceous capsule, ellipsoid-ovoid, puberulent, 1-seeded, perianth persistent, style persistent and developing into a beak.

果具核果蒴果，椭圆形卵球形，被微柔毛，1种子，宿存的花被，花柱宿存的和发展成为一喙。

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15、

petiole ca. 5 mm, puberulent, narrowly winged by decurrent leaf base;

叶柄长约的5毫米，被微柔毛，叶基下延呈狭翅状；

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16、

bract ovate; perianth shallowly cupular, puberulent, outer lobes broadly lanceolate, ca. 1. 8 mm, inner ones slightly shorter than outer;

苞片卵形花被浅杯状，被微柔毛，外部裂片宽披针形的，大约1.8毫米，内部的稍短于外部的；

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17、

female flowers few- to 10-fascicled at apices of short shoots, puberulent;

雌花少数到10朵簇生在短茎顶端，被微柔毛的；

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18、

stamens 10, included in the tube, reaching only to base of lobes, filaments sparsely puberulent in lower half;

雄蕊10，在筒部内藏，只达到裂片，花丝疏生微柔毛的在下半部的至基部；

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19、

sepals free beyond attachment to ovary, abaxially glabrous to white villous, adaxially dark red puberulent;

萼片离生超过贴生的子房，背面无毛到白色具长柔毛，暗红色被微柔毛；

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20、

ligule obliquely arcuate or oblique, to ca. 2 mm, glabrous or puberulent, entire or ciliate;

间接的叶舌弧曲的或偏斜，对约2毫米，无毛或具微柔毛，整个或者纤毛；

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