中國龍膽屬分類綱要

山羊百科,林文智老師的植物、山岳、攝影紀錄

Jump to: navigation, search

龙胆科 Gentianaceae

目錄

龙胆属 Gentiana

小龙胆组 Gentiana Sect. Chondrophyllae

Annuals, rarely perennials. Flowers terminal, solitary, small. Plicae usually symmetrical. Capsules narrowly obovoid to obovoid, conspicuously winged; wing strong and broad at apex but gradually narrowed toward base. Seed coat minutely reticulate.
一年生,极少数为多年生草本。基生叶发达;茎生叶向上部不变大。花小型,稀中型;花萼裂片的中脉在背面明显,稀呈龙骨状突起;褶整齐;雄蕊直立,稀顶端向花冠喉部下弯;花柱远短于子房。蒴果常外露,倒卵形,匙状矩圆形或矩圆形,稀狭椭圆形,先端圆形、截形或渐尖,具宽翅,两侧边缘具由上而下渐狭的翅;种子表面具细网纹。

秦艽组 Gentiana Sect. Cruciata

柱果组 Gentiana Sect. Dolichocarpa

喉毛组 Gentiana Sect. Fimbricorona

高山龙胆组 Gentiana Sect. Frigida

匍茎组 Gentiana Sect. Isomeria

多枝组 Gentiana Sect. Kudoa

Perennials. Roots linear-cylindric, lax, fleshy, arising from a collar. Stems branching monopodially. Stamens unequal (equal in Gentiana altorum). Seed coat alveolate, with simple shallow hexagonal pits.
多年生草本,植株基部常被往年的残茎或膜质叶鞘包围,稀光裸。一年枝单轴分枝。花多大型,少中型;花冠浅裂,褶大,整齐或偏斜。蒴果内藏,稀外露;种子表面具蜂窝状网隙,无翅。

微籽组 Gentiana Sect. Microsperma

爪耳木属 Gentiana Sect. Otophora

叶萼组 Gentiana Sect. Phyllocalyx

龙胆草组 Gentiana Sect. Pneumonanthe

Perennials. Rhizomes horizontal to vertical, short, thick, ± fleshy. Stems branching sympodially, with 1 to few erect simple flowering stems but nonflowering basal rosette usually absent. Lowermost stem leaves scalelike. Bracts 2 per flower, well developed. Capsules broadly ellipsoid. Seeds linear to fusiform, winged at both ends; seed coat coarsely reticulate.
多年生草本,根茎状合轴分枝,具粗壮、较长据茎和长绳索状须根。无莲座叶丛,侧芽包被于多数鳞片中;茎生叶二型,下部者膜质,鳞片形,其余为叶质。花枝开花后当年死亡。花大型;花冠浅裂,褶大,偏斜。蒴果内藏;种子表面有增粗的网纹,两端具翅。

狭蕊组 Gentiana Sect. Stenogyne

個人工具
廣告贊助