優(yōu)質(zhì);常綠小喬木枝葉茂密;開(kāi)展;葉深綠色;長(zhǎng)披針形;兩面光滑無(wú)毛樹(shù)皮灰褐色;平滑主干通直枝具明顯棱角。
亞熱帶。
適生性廣;抗病蟲(chóng)能力強(qiáng);耐寒;零下5~8℃未見(jiàn)凍傷;抗污染;對(duì)CO2;SO2等有毒有害氣體有很強(qiáng)抗性;花期3-4月;果期8-10月。
棱角山礬(拉丁學(xué)名:Symplocos tetragona Chen ex Y. F. Wu )山礬科山礬屬喬木。小枝粗壯黃綠色,葉革質(zhì),狹橢圓形,穗狀花序,基部有分枝,花冠白色,花絲基部聯(lián)生成五體雄...
葉黃槿為常綠大灌木至小喬木,被星狀毛。主干不明顯,高可達(dá)3-4m。其葉大,如心形,葉柄長(zhǎng)3-8cm。其花,雄蕊多數(shù)為單體,雄蕊筒包圍花柱,花柱5枚,子房5室。蒴果球形,開(kāi)裂。單葉,葉草質(zhì),互生,革質(zhì),...
落葉灌木,高1.5-3米;當(dāng)年小枝連同芽、葉柄和花序均密被土黃色或黃綠色開(kāi)展的小剛毛狀粗毛及簇狀短毛,老時(shí)毛可彎伏,毛基有小瘤狀突起,二年生小枝暗紫褐色,被疏毛或幾無(wú)毛,有凸起的墊狀物。葉紙質(zhì),寬倒卵...
有性繁殖(種子繁殖)。
樹(shù)形呈寶塔形或傘形;四季青翠;枝條自然分布稠密均勻;其花多;色白且香;隨風(fēng)飄溢;是庭園綠化及生態(tài)風(fēng)景林中一種新優(yōu)樹(shù)種可作庭園綠化及行道樹(shù);風(fēng)景樹(shù);也用于工廠廠區(qū)園林綠化。
2010年由南京林業(yè)大學(xué)培育。
土壤類(lèi)型:黃壤。
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利用馬尾松初級(jí)種子園29個(gè)半同胞家系,研究木材管胞的年齡變異。結(jié)果表明:馬尾松的管胞寬度、管胞長(zhǎng)度、管胞長(zhǎng)寬比、管胞壁厚、壁腔比、柔性系數(shù)、剛性系數(shù)等7個(gè)指標(biāo)在同年齡早晚材間均存在顯著差異和極顯著差異;管胞腔直徑在不同年齡間差異不顯著,在早晚材間差異極顯著;管胞形態(tài)基本呈現(xiàn)出幼齡材品質(zhì)優(yōu)于中齡材,早材優(yōu)于晚材的規(guī)律。用管胞長(zhǎng)寬比、壁腔比和柔性系數(shù)3個(gè)指標(biāo)評(píng)價(jià)馬尾松的造紙制槳性能,均屬優(yōu)良的制漿用材;胸徑年增長(zhǎng)量與管胞形態(tài)呈顯著或極顯著相關(guān),可作為造紙性能優(yōu)劣的間接選擇指標(biāo),尤其適用于大量遺傳測(cè)定材料中的馬尾松槳紙材家系的選擇和改良,胸徑年增長(zhǎng)量越大,管胞的壁腔比越小,柔性系數(shù)越大,造紙性能越好;以紙漿性能和木材產(chǎn)量為前提確定馬尾松家系的紙漿材合理采伐年齡為第15年。
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以馬來(lái)西亞和菲律賓引進(jìn)的25個(gè)南洋楹Paraserianthes falcataria種源/家系為試驗(yàn)材料,并以早期引進(jìn)的廣東饒平次生種源作對(duì)照,在4個(gè)試驗(yàn)點(diǎn)進(jìn)行測(cè)試.結(jié)果表明:各試驗(yàn)點(diǎn)多數(shù)種源/家系的樹(shù)高、胸徑和材積生長(zhǎng)量大于對(duì)照,其中達(dá)較顯著差異水平以上的種源有3個(gè),家系有11個(gè);部分種源/家系形質(zhì)指標(biāo)優(yōu)于對(duì)照,達(dá)較顯著差異水平以上的有6個(gè)家系.根據(jù)試驗(yàn)結(jié)果初步評(píng)選出生長(zhǎng)和形質(zhì)指標(biāo)均顯著優(yōu)于對(duì)照的有馬來(lái)西亞的一個(gè)家系(M4);形質(zhì)指標(biāo)中等、生長(zhǎng)指標(biāo)顯著優(yōu)于對(duì)照的有馬來(lái)西亞的1個(gè)種源(M1)、菲律賓的1個(gè)種源(P10)及菲律賓的3個(gè)家系(P8、P4、P2);生長(zhǎng)指標(biāo)中等、形質(zhì)指標(biāo)顯著優(yōu)于對(duì)照的有菲律賓的一個(gè)家系(P7)和馬來(lái)西亞的4個(gè)家系(M3、M7、M10、M11).
腺葉山礬Symplocos adenophylla Wall. 瓶核山礬Symplocos ascidiiformis Y. F. Wu 橄欖山礬Symplocos atriolivacea Merr. et Chun ex Li 總狀山礬Symplocos botryantha Franch. 葫蘆果山礬Symplocos cavaleriei Levl. 十棱山礬Symplocos chunii Merr 厚葉山礬Symplocos crassilimba Merr. 美山礬Symplocos decora Hance 長(zhǎng)花柱山礬Symplocos dolichostylosa Y. F. Wu 堅(jiān)木山礬Symplocos dryophila Clarke 三裂山礬Symplocos fordii Hance 腺斑山礬Symplocos glandulosopunctata Y. F. Wu 羊舌樹(shù)Symplocos glauca (Thunb.) Koidz. 海南山礬Symplocos hainanensis Merr. et Chun 海桐山礬Symplocos heishanensis Hayata 滇南山礬Symplocos hookeri Clarke 瓊中山礬Symplocos maclurei Merr. | 長(zhǎng)梗山礬Symplocos modesta Brand 能高山礬Symplocos nokoensis (Hayata) Kanehira 倒披針葉山礬Symplocos oblanceolata Y. F. Wu 卵苞山礬Symplocos ovatibracteata Y. F. Wu. 宿苞山礬Symplocos persistens Huang et Y. F. Wu 柔毛山礬Symplocos pilosa Rehd. 鐵山礬Symplocos pseudobarberina Gontsch. 梨葉山礬Symplocos pyrifolia Wall. ex G. Don 珠仔樹(shù)Symplocos racemosa Roxb. 毛軸山礬Symplocos rachitricha Y. F. Wu 多花山礬Symplocos ramosissima Wall. ex G. Don 銀色山礬Symplocos subconnata Hand.-Mazz. 山礬Symplocos sumuntia Buch.-Ham. ex D. Don 壇果山礬Symplocos urceolaris Hance 綠枝山礬Symplocos viridissima Brand 木核山礬Symplocos xylopyrena C. Y. Wu ex Y. F. Wu 滇灰木Symplocos yunnanensis Brand |
腺葉山礬Symplocos adenophylla Wall. 瓶核山礬Symplocos ascidiiformis Y. F. Wu 橄欖山礬Symplocos atriolivacea Merr. et Chun ex Li 總狀山礬Symplocos botryantha Franch. 葫蘆果山礬Symplocos cavaleriei Levl. 十棱山礬Symplocos chunii Merr 厚葉山礬Symplocos crassilimba Merr. 美山礬Symplocos decora Hance 長(zhǎng)花柱山礬Symplocos dolichostylosa Y. F. Wu 堅(jiān)木山礬Symplocos dryophila Clarke 三裂山礬Symplocos fordii Hance 腺斑山礬Symplocos glandulosopunctata Y. F. Wu 羊舌樹(shù)Symplocos glauca (Thunb.) Koidz. 海南山礬Symplocos hainanensis Merr. et Chun 海桐山礬Symplocos heishanensis Hayata 滇南山礬Symplocos hookeri Clarke 瓊中山礬Symplocos maclurei Merr. | 長(zhǎng)梗山礬Symplocos modesta Brand 能高山礬Symplocos nokoensis (Hayata) Kanehira 倒披針葉山礬Symplocos oblanceolata Y. F. Wu 卵苞山礬Symplocos ovatibracteata Y. F. Wu. 宿苞山礬Symplocos persistens Huang et Y. F. Wu 柔毛山礬Symplocos pilosa Rehd. 鐵山礬Symplocos pseudobarberina Gontsch. 梨葉山礬Symplocos pyrifolia Wall. ex G. Don 珠仔樹(shù)Symplocos racemosa Roxb. 毛軸山礬Symplocos rachitricha Y. F. Wu 多花山礬Symplocos ramosissima Wall. ex G. Don 銀色山礬Symplocos subconnata Hand.-Mazz. 山礬Symplocos sumuntia Buch.-Ham. ex D. Don 壇果山礬Symplocos urceolaris Hance 綠枝山礬Symplocos viridissima Brand 木核山礬Symplocos xylopyrena C. Y. Wu ex Y. F. Wu 滇灰木Symplocos yunnanensis Brand |
腺葉山礬Symplocos adenophylla Wall. 瓶核山礬Symplocos ascidiiformis Y. F. Wu 橄欖山礬Symplocos atriolivacea Merr. et Chun ex Li 總狀山礬Symplocos botryantha Franch. 葫蘆果山礬Symplocos cavaleriei Levl. 十棱山礬Symplocos chunii Merr 厚葉山礬Symplocos crassilimba Merr. 美山礬Symplocos decora Hance 長(zhǎng)花柱山礬Symplocos dolichostylosa Y. F. Wu 堅(jiān)木山礬Symplocos dryophila Clarke 三裂山礬Symplocos fordii Hance 腺斑山礬Symplocos glandulosopunctata Y. F. Wu 羊舌樹(shù)Symplocos glauca (Thunb.) Koidz. 海南山礬Symplocos hainanensis Merr. et Chun 海桐山礬Symplocos heishanensis Hayata 滇南山礬Symplocos hookeri Clarke 瓊中山礬Symplocos maclurei Merr. | 長(zhǎng)梗山礬Symplocos modesta Brand 能高山礬Symplocos nokoensis (Hayata) Kanehira 倒披針葉山礬Symplocos oblanceolata Y. F. Wu 卵苞山礬Symplocos ovatibracteata Y. F. Wu. 宿苞山礬Symplocos persistens Huang et Y. F. Wu 柔毛山礬Symplocos pilosa Rehd. 鐵山礬Symplocos pseudobarberina Gontsch. 梨葉山礬Symplocos pyrifolia Wall. ex G. Don 珠仔樹(shù)Symplocos racemosa Roxb. 毛軸山礬Symplocos rachitricha Y. F. Wu 多花山礬Symplocos ramosissima Wall. ex G. Don 銀色山礬Symplocos subconnata Hand.-Mazz. 山礬Symplocos sumuntia Buch.-Ham. ex D. Don 壇果山礬Symplocos urceolaris Hance 綠枝山礬Symplocos viridissima Brand 木核山礬Symplocos xylopyrena C. Y. Wu ex Y. F. Wu 滇灰木Symplocos yunnanensis Brand |