黃花新月

黃花新月學名Othonna capensis L. H. Bailey、Othonna crassifolia， 英文名Little Pickles， 菊科厚敦菊屬多年生草本植物，又稱紫弦月、紫葡萄、紫佛珠、玉翠樓，原產南非開普敦州，植株蔓性，匍匐地面或懸垂生長，不具地下塊莖，莖枝長，纖細，莖綠至紫紅色，單葉互生，葉棒狀、圓柱形、卵圓形，微彎曲，端部凸尖，基部楔形下延，全緣葉，葉長短、圓窄、顏色常有差異，通常葉長一至三公分，寬六至八公釐，葉肥厚多肉，夏季會休眠落葉，葉綠、紫紅色，紫紅葉品種稱之Othonna capensis 'Ruby'，表面覆有白粉，無葉脈，不具托葉，無葉柄，單性花、兩性花，上位花，整齊花，頭狀花序，腋生，自葉腋伸出，頭花徑約一公分，頭花數枚，排列成繖房花序狀，頭花總梗細長，長五至十公分，花托扁平，凸起，無托片，總苞鐘狀、圓柱形、倒錐形，二輪，外輪總苞片副萼狀，覆瓦狀排列，外圍邊花是雌花，花萼不明顯，花冠舌形，花黃色，檐部三細齒裂，裂片(花瓣)合生，中央心花是兩性花，花萼冠毛狀，花冠管形，花黃色，先端窄漏斗狀，檐部五齒裂，裂片(花瓣)合生，雄蕊四、五枚，著生於花冠筒，花絲離生，花藥基部鈍形、尖狀、箭狀、尾狀，內壁組織增厚輻射狀，花藥頸部之基部膨大，合生筒狀，包圍花柱，雌蕊心皮二枚，合生，花柱細長，突出於花冠，二叉，分枝截形、鈍形，柱頭二枚，子房下位，子房一室，基生(底生)胎座，瘦果，圓柱形，具稜，頂端具冠毛，剛毛狀，多輪，冠毛白色。

厚敦菊(Othonna)屬常見之品種有：
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Othonna abrotanifolia(厚敦菊)
Othonna acutiloba
Othonna alata
Othonna alba
Othonna amplexifolia
Othonna arborescens
Othonna arbuscula
Othonna armiana(阿瑪利亞厚敦菊)
Othonna auriculifolia
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Othonna brandbergensis
Othonna bulbosa
Othonna burttii
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Othonna cacalioides(格加厚敦菊)
Othonna cakilifolia
Othonna campanulata
Othonna capensis(黃花新月、紫弦月、紫葡萄、紫佛珠、玉翠樓)
Othonna clavifolia
Othonna carnosa
Othonna cheirifolia
Othonna chromochaeta
Othonna ciliata
Othonna clavifolia
Othonna coronopifolia
Othonna cremnophila
Othonna cuneata
Othonna cyclophylla
Othonna cylindrica
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Othonna decurrens
Othonna dentata
Othonna digitata
Othonna divaricata
Othonna diversifolia
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Othonna eriocarpa
Othonna euphorbioides(黑鬼殿厚敦菊)
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Othonna filicaulis(菲利厚敦菊)
Othonna floribunda
Othonna frutescens
Othonna furcata(佛卡厚敦菊)
Othonna filicaulis(菲力厚敦菊)
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Othonna graveolens
Othonna gymnodiscus
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Othonna hallii(何利厚敦菊)
Othonna hederifolia
Othonna herrei(蠻鬼塔厚敦菊)
Othonna heterophylla
Othonna huillensis
Othonna humilis
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Othonna incisa
Othonna intermedia(因特美厚敦菊)
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Othonna lasiocarpa(拉斯卡厚敦菊)
Othonna laureola
Othonna lepidocaulis(蘇鐵厚敦菊)
Othonna leptodactyla
Othonna lineariifolia
Othonna lingua
Othonna lobata
Othonna lyrata
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Othonna macrophylla
Othonna macrosperma
Othonna membranifolia
Othonna mucronata
Othonna multicaulis
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Othonna nana
Othonna natalensis
Othonna nodulosa
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Othonna obtusiloba
Othonna oleracea
Othonna opima
Othonna osteospermoides
Othonna ovalifolia
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Othonna pachypoda
Othonna papaveroides
Othonna patula
Othonna pavelkae
Othonna pavonia
Othonna petiolaris
Othonna pinnata
Othonna plantaginea
Othonna pluridentata
Othonna primulina
Othonna protecta
Othonna pteronioides
Othonna purpurascens
Othonna pygmaea (派馬厚敦菊)
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Othonna quercifolia
Othonna quinquedentata
Othonna quinqueradiata
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Othonna ramulosa
Othonna rechingeri(草莓厚敦菊)
Othonna reticulata
Othonna retrofracta
Othonna retrorsa (刨花厚敦菊)
Othonna rhamnoides
Othonna rosea
Othonna rotundifolia
Othonna rufibarbis
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Othonna sedifolia
Othonna semicalva
Othonna sonchifolia
Othonna sparsiflora
Othonna spinescens
Othonna stenophylla
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Othonna taraxacoides
Othonna tephrosioides
Othonna tortuosa
Othonna trinervia
Othonna triplinervia(美尻厚敦菊)
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Othonna umbelliformis
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Othonna vestita
Othonna viminea
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Othonna whyteana
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Othonna zeyheri
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