云南黄檀属一新种

A NEW SPECIES OF DALBERGIA FROM YUNNAN

乔木高sin；／J’枝具皮孔，被短柔毛．羽状复叶长10一14cm；托叶早落；小叶3一4对，厚纸质，椭圆形或倒卵形，长1．3—5．5cm，宽0．7—3．5cm，先端微缺，稀圆钝并有小尖头，基部圆形或楔形，稀浅心形，两面被伏贴短柔毛，下面中脉上毛较密。圆锥花序顶生，长5—7cm，被...

Dalbergia ximengensis Y. Y. Qian sp. nov. Fig. 1. Species affinis D. fuscae Pierre, sed foliolis 3-4-jugatis, crasse papyraceis, ellipticis velobovatis, 1 .3 - 5.5 cm longis, 0.7 - 3.5 cm latis, supra pubescentibus, paniculis terminalibus ,bracteolis ovatis, dentibus calycis superjectis 2 ovatis et lateralibus 2 oblongis, apiceobtusis, ovariis secus suturam ventralem pubescentibus, 2-o vulatis differt. Arbor 8 m alta; ramuli lenticellis, pubescentes. Folia pinnata 10- 14 cm longa; stipulae caducae; foliola 3 - 4-jugata, crasse papyracea, elliptica vel obovata, 1.3 - 5.5 cm longa,0.7- 3.5 cm lata, apice emarginata, raro obtusa cum acumine , basi rotundata vel cuneatararo subcordata, utrinque pubescentia, subtus seens costas densiora. Paniculae terminales ,5- 7 cm longae, pubescentes, ramulis 2- 4 cm longis; bracteolae ovatae, apice obtusae,0.81- 1 mm longae, pedicelli 0.5- 1 mm longi, pubescentes; calyces campanulati, circa 2 mm longi, extra pubescentes, dentibus 5, superjectis 2 ovatis circa 1 mm longis et lateralibus 2oblongis 0.8 -0.9 mm longis, apice obtusis, inferioribus uno lanceolatis, circa 1.3 mm longis,cetero 1/3 - 1/2 longioribus, corollae albae; petala stipitata; vexilla late obcordata 3.3 - 3.5 mm longa; alae oblongo-obovatae 2.7-2.9 mm longae; carinae oblique ellipticae 2.4-2.6 mmlongae; stamina 10, monadelpha; ovaria seens suturam ventralem pubescentia, stipitata,2-ovulata. Legumina oblonga, 5.5-9.5 cm longa, 1.5-2.2 cm lata, apice obtusa cum acumine, basi cuneata vel angustata, valvis tenuiter coriaceis, reticulatis; semina 1-2,reniformia, complanata, 8 - 13 mm longa, 5 - 9 mm lata.Yunnan : Ximeng , alt. 1 200 m, in forests, 1994, 4, 30. Qian Yiyong 3262 (Holotypus, HITBC, Isotypi, IBSC, SMAO), 3319, 3348.