730 



Oleaceae 



at base, lustrous, pale green and obscurely punctulate beneath, 

 the petioles brownish, 1-2 cm. long; panicles pyramidal, 10-18 

 cm. long and as wide; corolla 3-4 mm. long, the tube slightly 

 shorter than the lobes; anthers oblong, 1.2-1.5 mm. long, the 

 filaments elongate; styles 2.5-3 mm. long; fruit ellipsoid- 

 globose, purple-black, 8-10 mm. in diameter. June-July. 



Chinese species widely cultivated in our area. 



3. Ligustrum salicinum Nakai. L. mayebaranum Koidz. 



Yanagi-ibota, Hana-ibota. Small deciduous tree, the 



branchlets sparsely puberulent; leaves narrowly obovate to 

 broadly oblanceolate, sometimes oblong, 6-10 (-12) cm. long, 

 2-3.5 (-6.5) cm. wide, usually gradually narrowed at both ends, 

 deep green and glabrous above, paler and puberulent while 

 young beneath, the petioles 8-15 mm. long; panicles large, 

 elongate, 15-20 cm. long, 10-15 cm. wide, puberulent, some- 

 times nearly glabrous; corolla-lobes as long as to slightly shorter 

 than the tube, the filaments longer than the lobes; anthers ob- 

 long, about 1.5 mm. long, half as long as the filaments; styles 

 exserted from the tube, about 4 mm. long; fruit oblong, purple- 

 black, 8-10 mm. long. May. Honshu (Kinki Distr. and 



westw.), Kyushu; rare. s. Korea. 



4. Ligustrum ovalifoUum Hassk. L. japonicum var. 

 ovalijolium (Hassk.) Bl.; L. medium Fr. & Sav.; L. tsushi- 



mense Nakai; L. hisauchii Makino Oba-ibota, Oka-ibota. 



Semi-evergreen glabrous shrub; leaves thick, lustrous, elliptic, 

 obovate, or ovate, 4-10 cm. long, 2-5 cm. wide, acute or some- 

 times obtuse at both ends, deep green and the midrib im- 

 pressed on upper side, pale green and the midrib raised be- 

 neath, the petioles 3-10 mm. long; panicles pyramidal-deltoid, 

 5-10 cm. long and as wide; corolla-lobes about half as long as 

 the tube, slightly longer than the filaments; anthers broadly 

 lanceolate, about 2.5 mm. long, longer than the filaments; fruit 



nearly globose, purple-black, about 8 mm. in diameter. 



June-July. Thickets near the sea; Honshu, Shikoku, Kyushu; 

 rather common. 



Var. heterophyllum (Bl.) Nakai. L. ciliatum var. hetero- 

 phyllum BL; L. medium var. pubescens Koidz.; L. hisauchii 

 var. pubescens Makino; L. macrocarpum var. pubescens (Ma- 

 kino) Nakai; L. medium var. psilorhachis Nakai Ke-6ba- 



iBOTA, Yabu-ibota, Ke-oka-ibota. Panicles and young 

 branches puberulent. Honshu (Kanto Distr.). ^Korea. 



Var. pacificum (Nakai) Mizushima. L. pacificum Nakai 



Hachijo-ibota. Corolla-tube as long as to slightly longer 



than the lobes. Thickets near the sea; Honshu (Izu Isls.). 



5. Ligustrum tschonoskii Decne. L. acuminatum 

 Koehne; L. yesoense Nakai; L. ciliatum var. tschonos\ii 



(Decne.) Mansf.; L. rufum Nakai; L. yuh\ianum Koidz. 



Miyama-ibota. Much-branched deciduous shrub with gray 

 branches and slender gray-pilosulous branchlets; leaves mem- 

 branous, broadly lanceolate to ovate, or sometimes rhombic- 

 ovate, 2-5 (-8) cm. long, 1-2 (-3.5) cm. wide, usually acute, 

 sometimes acuminate or obtuse at both ends, usually appressed- 

 puberulent above, pale green and pilosulous especially on the 

 nerves beneath, the petioles 2-5 mm. long, usually pilosulous; 

 panicles narrowly pyramidal, subracemose, slender, 3-5 (-7) 

 cm. long, 1.5-2.5 cm. wide, rather densely puberulent; corolla 

 6-7 mm. long, the tube rather slender, 1.5-2 times as long as 

 the lobes; filaments shorter than the corolla-lobes, the anthers 

 lanceolate, 2.5-3.5 mm. long; styles 2-3 mm. long; fruit 



globose, purple-black, about 8 mm. in diameter. June-July. 



Thickets and thin woods in mountains; Hokkaido, Honshu, 

 Shikoku, Kyushu; common and variable. 



Var. glabrescens Koidz. L. acuminatum var. glabrum 



Koidz.; L. yesoense var. glabrum (Koidz.) Nakai ^Ezo- 



ibota. Glabrescent; leaves pilosulous only on the nerves be- 

 neath. Occurs with the typical phase. 



Var. macrocarpum (Koehne) Mansf. L. macrocarpum 

 Koehne; L. acuminatum var. macrocarpum (Koehne) C. K. 



Schn. Omi-ibota. Leaves larger and fruit to 12 mm. 



long. Occurs with the typical phase. 



Var. kiyozumianum (Nakai) Ohwi. L. \iyozumianum 



Nakai. Kiyozumi-ibota. Leaves broadly ovate, obovate, 



or broadly elliptic, and slighdy pilosulous; panicles pilosulous, 



narrow, 3i-7 cm. long, 2-4 cm. wide. Honshu (se. Kanto 



Distr.). 



Var. epile Ohwi. L. \iyozumianum var. glabrescens Nakai 

 Ke-nashi-kiyozumi-ibota. Glabrous variant of the pre- 

 ceding variety, and occurs with it. 



6. Ligustrum obtusifolium Sieb. & Zucc. L. ibota Sieb., 

 nom. seminud., non Sieb. & Zucc; L. ibota var. angustifolium 

 BL; L. ibota var. obovatum BL; L. ciliatum var. spathulatum 



BL; L. ibota var. obtusifolium (Sieb. & Zucc.) Koidz. 



Ibota-no-ki. Much-branched deciduous shrub with slender 

 grayish pilosulous branches while young; leaves membranous, 

 oblong-lanceolate, narrowly oblong, or broadly oblanceolate, 

 2-5 (-7) cm. long, 7-20 (-25) mm. wide, obtuse or sometimes 

 subacute at both ends, the petioles 1-2 mm. long; panicles 

 racemose, 2-3 cm. long, densely flowered, densely pilosulous; 

 calyx usually pilosulous; corolla 7-9 mm. long, the tube 1.5-2.5 

 times as long as the lobes; filaments very short, the anthers 

 broadly lanceolate, 2-2.5 mm. long, about half as long as the 

 corolla-lobes; styles 3-4 (-4.5) mm. long; fruit nearly globose, 



purple-black, 5-6 mm. in diameter. June. Thickets and 



thin woods in lowlands and hills; Hokkaido, Honshu, Shi- 

 koku, Kyushu; very common and variable. Ryukyus and 



Korea. 



Var. leiocalyx (Nakai) Hara. L. tschonoskii var. leiocarpa 



Nakai Settsu-ibota. Calyx glabrous. Occurs with the 



typical phase. 



Var. regelianum (Koehne) Rehd. L. regelianum Koehne; 



L. ibota var. regelianum. (Koehne) Rehd. Oni-ibota. 



Plant prominently pilose. Occurs with the typical phase. 



Var. velutinum (BL) Hara. L. ibota var. velutinum Bl. 



BiRODO-iBOTA. Leaves prominently pilosulous beneath. 



Occurs with the typical phase. 



7. Ligustrum ibota Sieb. ex Sieb. & Zucc. L. ciliatum 

 Sieb. ex BL; L. ibota var. ciliatum (Sieb.) Decne.; L. ibota 



forma glabrum Nakai Saikoku-ibota. Deciduous shrub 



with slender, gray-brown spreading branches, puberulent on 

 young growth; leaves membranous, ovate, elliptic, or oblong, 

 1-4 cm. long, 7-25 mm. wide, acute or sometimes obtuse, 

 rounded to acute at base, glabrous to thinly appressed- 

 pilosulous above, pale green and pilose at least on the midrib 

 beneath, the petioles 1-2 mm. long; panicles very much re- 

 duced, racemose, few-flowered, headlike, the axis 3-8 mm. 

 long, thinly pilosulous; calyx glabrous; corolla 7-8 mm. long, 

 the tube 3-4 times as long as the lobes; filaments very short, 

 the anthers about 2.5 mm. long; styles slender, 3-3.5 mm. long; 



fruit globose, about 7 mm. across, purple-black. ^May-June. 



Mountains; Kyushu. 



Var. microphyllum Nakai. L. ciliatum var. microphyllum 



Nakai ^Koba-no-ibota. A small-leaved phase, occurring 



with the species. 



