Page 100 - 《广西植物》2020年第1期
P. 100
9 6 广 西 植 物 40 卷
其以南各省区(程用谦ꎬ1996)ꎮ greenꎬ purple on upper partꎬ margin membranousꎻ disk
2018 年ꎬ笔者在江西省婺源县野生植物资源 planumꎬ glabrous. Florets bisexualꎻ corolla tubularꎬ
调查过程中ꎬ发现了一个不曾见过的兔儿风属植 whiteꎬ ca. 1.1 cm longꎬ limbs 5 ̄lobedꎬ lobes deflexed
物ꎬ 经 标 本 解 剖 及 资 料 查 阅 ( 程 用 谦ꎬ 1996ꎻ to one sideꎬ linear ̄lanceolateꎬ equal to corolla tubeꎻ
Susanaꎬ2007ꎻGao et al.ꎬ2011ꎻ徐 跃 良 和 鲁 益 飞ꎬ anthers exceeding from corolla tubeꎬ ca. 3.5 mm longꎬ
2019)ꎬ确认它为一新种ꎬ现予以报道如下: apex truncateꎬ tail of anthers attenuate at baseꎬ ca. 1/ 4
婺源兔儿风 新种 (图版Ⅰꎬ图版Ⅱ) as long as anthersꎻ styles linearꎬ exceeding from corolla
Ainsliaea wuyuanensis Z. H. Chen ꎬ Y. L. Xu et tubeꎬ 2 ̄lodedꎬ patentꎬ apex obtuse. Achenes fusiformꎬ
X. F. Jinꎬ sp. nov. (PlateⅠꎬⅡ) 10 ̄ribbedꎬ ca. 7 mm longꎬ densely sordid ̄yellow
This new species is similar to A. grossedentata hispidꎻ pappus 1 ̄seriateꎬ sordid ̄yellowꎬ ca. 6 mm
Franch.ꎬ but the latter has smaller leaf bladesꎬ ovate or long. Fl. and fr. September to October.
ovate ̄lanceolateꎬ 3-7 cm longꎬ apex acuteꎬ base trun ̄ 多年生草本ꎮ 茎直立ꎬ单一ꎬ不分枝ꎬ高 35 ~ 60
cateꎬ obtuseꎬ or shortly attenuateꎬ margin large dentate cmꎬ下部无毛ꎬ仅叶腋被污黄色长柔毛ꎬ叶丛以上的
or sinuateꎬ abaxially sparsely villousꎬ adaxially sparsely 花序轴及头状花序梗被短柔毛ꎮ 叶聚生于茎的中
strigoseꎻ petiole 3-7 cm longꎻ outer and middle phyl ̄ 部ꎬ离茎基部 5~27 cmꎬ下方数片疏离ꎬ余者密集ꎻ叶
laries apex obtuseꎻ achenes glabrousꎬ 4 mm long. 片纸质ꎬ菱形或菱状卵形ꎬ下部的较大ꎬ长 11 ~ 17
China. Jiangxi Province ( 江 西 省 )ꎬ Wuyuan cmꎬ宽 4~7 cmꎬ向上渐小ꎬ长 4 ~ 10 cmꎬ宽 2 ~ 4 cmꎬ
County(婺源县)ꎬ Wolonggu(卧龙谷)ꎬ the shaded wet 顶端渐尖ꎬ基部楔形ꎬ边缘具胼胝状疏细齿ꎬ中上部
grass at the forest edge of the valleyꎬ alt. 610 mꎬ 11 具 1~2 对裂片状粗大锯齿ꎬ基出脉 3 条ꎬ在上面显
Oct. 2018ꎬ Z. H. Chen(陈征海)ꎬ F. Chen(陈锋) & 著隆起ꎬ中脉直达顶端ꎬ侧生的一对直达粗大锯齿顶
Y. H. Hong ( 洪 元 华) JX. WY18101102 ( holotype: 端ꎬ中脉中下部一对明显的侧脉弧形向上ꎬ直达顶
ZMꎻ isotype: ZM)ꎮ 端ꎬ分枝末端与边缘胼胝体相连ꎬ全部叶片上面绿
Perennial herbs. Stems erectꎬ simplexꎬ not 色ꎬ光亮ꎬ两面无毛ꎻ叶柄长 2 ~ 14 cmꎬ无翅ꎬ无毛ꎮ
branchedꎬ 35-60 cm tallꎬ glabrous on lower partꎬ axil ̄ 头状花序具短梗ꎬ1 ~ 3 个聚生ꎬ于茎的中上部组成
lary sordid ̄yellow villoseꎬ Leaves congested at middle of 长 15~28 cm 总状式花序ꎬ最下部具 2 ~ 4 枚长 1 ~ 3
stemꎬ 5-27 cm from base of stemꎬ lower ones remoteꎬ cm 的叶状苞叶ꎬ苞叶披针形ꎬ近无柄ꎬ无毛ꎻ总苞圆
others congestedꎻ blade paperyꎬ rhombic or rhombic ̄ 筒形ꎬ直径 2~3 mmꎻ总苞片约 5 层ꎬ先端尖ꎬ背部具
ovateꎬ lower ones 11 - 17 cm × 4 - 7 cmꎬ upper ones 纵条纹ꎬ无毛ꎬ外层卵形ꎬ长约 2 mmꎬ宽约 1 mmꎬ绿
smallerꎬ 4-10 cm × 2-4 cmꎬ apex acuminateꎬ base cu ̄ 色ꎬ中层卵状披针形至长圆形ꎬ长 5 ~ 8 mmꎬ宽约 2
neateꎬ margin sparsely callous ̄denticulate and 1 or 2 ̄ mmꎬ绿色ꎬ边缘膜质ꎬ内层狭长圆形ꎬ长约 1.2 cmꎬ宽
lobed serrate on upper partꎻ basinerves 3ꎬ conspicuous 约 1.2 mmꎬ基部渐狭ꎬ淡绿色ꎬ上部带紫色ꎬ边缘膜
adaxiallyꎻ mid ̄veins upward to apex and lateral 2 质ꎻ花序托平ꎬ无毛ꎮ 头状花序具 3 朵小花ꎬ小花两
upward to serrate ̄apexꎻ petiole 2 - 14 cm longꎬ 性ꎬ花冠白色ꎬ管状ꎬ长约 1.1 cmꎬ檐部稍扩张ꎬ5 中
winglessꎬ glabrous. Capitula with 3 floretsꎬ shortly pe ̄ 裂ꎬ裂片偏于一侧ꎬ条形ꎬ与花冠管近等长ꎻ花药伸出
dunculateꎬ 1 - 3 congestedꎬ arranged in a 15 - 28 cm 花冠管ꎬ长约 3.5 mmꎬ顶端截平ꎬ基部的尾渐狭ꎬ约
long raceme on upper of stem. Bracts 2-4ꎬ lanceolateꎬ 为花药的 1 / 4ꎻ花柱线形ꎬ伸出药筒ꎬ2 叉ꎬ开展ꎬ顶端
1-3 cm longꎬ subsessileꎬ glabrousꎻ involucre cylindricꎬ 钝圆ꎮ 瘦果纺锤形ꎬ长约 7 mmꎬ具 10 条纵肋ꎬ密被
2-3 mm in diam.ꎻ phyllaries ca. 5 ̄seriateꎬ apex acuteꎬ 污黄色糙毛ꎻ冠毛一层ꎬ污黄色ꎬ长约 6 mmꎮ 花果期
abaxially vittatusꎬ glabrousꎬ outer ones ovateꎬ ca. 2 mm 9 月—10 月ꎮ
longꎬ ca. 1 mm wideꎬ greenꎬ median ones ovate ̄lanceo ̄ 该种与粗齿兔儿风( A. grossedentata Franch.)
late to oblongꎬ 5-8 mm longꎬ ca. 2 mm wideꎬ greenꎬ 比较接近ꎬ区别在于后者叶片较小ꎬ卵形或卵状披
margin membranousꎬ inner ones narrowly oblongꎬ 针形ꎬ长 3 ~ 7 cmꎬ顶端急尖ꎬ基部截平、钝圆或短
ca. 1.2 cm longꎬ ca. 1.2 mm wideꎬ base attenuateꎬ pale 渐尖ꎬ 叶缘具粗齿或波状ꎬ 下面疏被柔毛ꎬ 上面疏