參考文獻
狹葉無心菜(雲南種子植物名錄)Arenaria yulongshanensis L. H. Zhou, nom. nov. ——A. trichophora Franch. var. angustifolia Franch. in Bull. Soc. Bot. France 33: 431. 1886 et Pl. Delav. 95. 1889; Hand. -Mazz. , Symb. Sin. 7: 201. tab: 4. fig. 1. 1929, non est A. angustifolia McNeill. (1911). ——A. angustifolia (Franch.) C. Y. Wu in Ind. Fl. Yunnan. 1: 248. 1984. p. p. excl. syn. cit. specim. Maire, non McNeill (1961).
形態特徵
多年生草本,高10-20厘米。根圓錐形或紡錘形。莖基部分枝,偃臥或直立,被腺毛。葉片狹披針形至寬披針形,長1-2厘米,寬2-4毫米,下部漸細,頂端急尖。聚傘花序具數花至多花;苞片與葉同形,但很小;花梗長5-15毫米,密被腺毛;萼片5,披針形,長5-6毫米,基部較寬,邊緣白色,膜質,頂端急尖,外面被腺毛;花瓣5,白色,倒卵形,長為萼片的2倍,頂端繸狀裂;雄蕊10,花絲較粗,花葯橢圓形,紫色或黑色;子房卵圓形,具多數胚珠,花柱2。蒴果短於宿存萼,2瓣裂,裂片2裂;種子扁圓形,具狹翅。花果期7-10月。產地生境
產雲南西北部(麗江、中甸)。生於海拔4 000-4 500米的高山草甸中。模式標本采自麗江(玉龍山)。相關的種
與“狹葉無心菜 Arenaria yulongshanensis L. H. Zhou”相關的種有:黃毛無心菜Arenaria auricoma Y. W. Tsui ex L. H. Zhou
髯毛無心菜Arenaria barbata Franch.
髯毛無心菜(原變種)Arenaria barbata Franch. var. barbata
硬毛無心菜(變種)Arenaria barbata Franch. var. hirsutissima W. W. Smith
柔軟無心菜Arenaria debilis Hook.f.
大理無心菜Arenaria delavayi Franch.
滇蜀無心菜Arenaria dimorphitricha C. Y. Wu ex L. H. Zhou
繸瓣無心菜Arenaria fimbriata (E. Pritz.) Mattf.
玉龍山無心菜Arenaria fridericae Hand.-Mazz.
秦嶺無心菜Arenaria giraldii (Diels) Mattf.
藥山無心菜Arenaria iochanensis C. Y. Wu
毛萼無心菜Arenaria leucasteria Mattf.
長莖無心菜Arenaria longicaulis C. Y. Wu ex L. H. Zhou
長柄無心菜Arenaria longipetiolata C. Y. Wu ex L. H. Zhou
念珠無心菜Arenaria monilifera Mattf.
大雪山無心菜Arenaria nivalomontana C. Y. Wu ex L. H. Zhou
峨眉無心菜Arenaria omeiensis C. Y. Wu ex L. H. Zhou
須花無心菜Arenaria pogonantha W. W. Sm.
多子無心菜Arenaria polysperma C. Y. Wu ex L. H. Zhou
四齒無心菜Arenaria quadridentata (Maxim.) F. N. Williams
怒江無心菜Arenaria salweenensis W. W. Sm.
具毛無心菜Arenaria trichophora Franch.
毛葉無心菜Arenaria trichophylla C. Y. Wu ex L. H. Zhou
雲南無心菜Arenaria yunnanensis Franch.
簇生無心菜(變種)Arenaria yunnanensis Franch. var. caespitosa C. Y. Wu
雲南無心菜(原變種)Arenaria yunnanensis Franch. var. yunnanensis