Flowers white; leaf margin subentire to inconspicuously and remotely crenate-serrulate or serrulate toward apex; sepals not persistent on fruit.
花白色 对不明显和稀疏具圆齿有细锯齿的或有细锯齿向先端近全缘的叶缘；在果上不宿存的萼片。
Leaves usually closely appressed to stem, persistent; leaf sheath open, margin sometimes scarious, apex elongate; ligule usually absent; leaf blade absent.
叶通常紧密帖伏于茎，宿存；叶鞘开放，边缘有时，先端拉长；叶舌通常无；叶片无。
Leaf blade margin finely and sharply serrulate; flowers from greenish pink to red; style long and persistent.
好的叶片边缘和锐有细锯齿；来自带绿色的粉红色到红色的花；花柱长和宿存。
Leaves opposite, decussate; leaf blade simple. Inflorescence terminal, a corymbose cyme, few branched; bracts persistent. Sterile flowers few, large.
叶对生，交互对生；单叶花序顶生，一伞房状的聚伞花序，很少分枝；苞片宿存不育的花很少，大。
Leaves opposite; stipules often persistent, interpetiolar, lateral, free or connate; leaf blade 3-5(-7)-veined, margin dentate or incised-lobed; cystoliths often punctiform, sometimes short botuliform.
叶对生 托叶通常宿存，叶柄间，横向，离生或合生；叶片3-5(-7)脉，有叶边缘具牙齿或锐裂；钟乳体经常点状，有时短香肠状。
Leaf base cuneate; petiole 2–3.5 cm; pome red with cavity at base; sepals caducous or persistent.
叶片4-6厘米宽；花序6-10厘米；幼枝无毛。14 M。×micromalus 西府海棠
Leaves opposite, rarely subopposite at some nodes; leaf blade narrowly elliptic to oblong-elliptic or oblong-lanceolate, leathery, abaxially glabrous or papillate and pubescent with appressed grayish shortly 2-armed trichomes, or densely pubescent with long dense soft trichomes. Paniculate cymes terminal; bracts green, small to minute or sometimes leaflike, at base of inflorescence branches, often persistent at least to anthesis.
叶对生，在一些节上很少近对生；叶片狭椭圆形到长圆状椭圆形的或长圆状披针形，革质的，背面无毛或具乳突和短柔毛具浅灰色短2具刺毛状体，圆锥状聚伞花序顶生；绿色的苞片，小到细或有时叶状，在基部的花序分枝，通常宿存至少在开花期。
Flowers yellow; leaf margin crenate-serrate; sepals on fruit persistent, reflexed.
花黄色 叶缘圆齿状锯齿；在宿存，反折果上的萼片。
Leaf apex gradually acuminate or abruptly tapered and indistinctly mucronate; winter bud scales early deciduous or some persistent at base of branch.
叶顶端缓尖或急尖并且尖端模糊；冬天芽鳞片提早脱落或有一些仍残留在枝条的基部。
Grassland agriculture is the import part of persistent and ecological agriculture with the most profit of economic and ecology, and it has the broad foreground through the waste reuse, leaf arming and intercrop to established the production system of agriculture in the extraried desert.
通过弃耕地种草、牧草与农作物的轮作倒茬和间作套种技术等，建立集生态效益、经济效益、社会效益三位于一体的草地农业生产，在极干荒漠区具有良好的推广应用前景。