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Lasianthus (lat. Lasianthus) — boyaqotukimilər fəsiləsinə aid bitki cinsi.
İkiləpəlilər ilə əlaqədar bu məqalə qaralama halındadır. Məqaləni redaktə edərək Vikipediyanı zənginləşdirin. Lasianthus (lat. Lasianthus) — boyaqotukimilər fəsiləsinə aid bitki cinsi.
Ласиантус ( лат. Lasianthus ) — Rubiaceae семьяысь Америкалэн, Азилэн но Африкалэн будос. Дуннеын тодмо ог 330 пӧртэм.
Ласиантус ( лат. Lasianthus ) — Rubiaceae семьяысь Америкалэн, Азилэн но Африкалэн будос. Дуннеын тодмо ог 330 пӧртэм.
Lasianthus is a genus of flowering plants in the family Rubiaceae. They are tropical subshrubs, shrubs, or rarely, small trees. They inhabit the understory of primary forests.
Lasianthus has about 180 species. The type species for the genus is Lasianthus cyanocarpus. [2] In 2012, a revision of Lasianthus in Malesia described 131 species.[3] Another 30 or so species grow elsewhere in tropical Asia.[4] Most of these are described in Flora of China[5] or in A Revised Handbook to the Flora of Ceylon.[6] 14 or 15 species are native to the Western Ghats of southwestern India, including the endemic Lasianthus agasthyamalayanus.[7] Fifteen species[8] or perhaps as many as 20 species[9] are known from tropical Africa. Two species (Lasianthus panamensis and Lasianthus lanceolatus),[10] or possibly three, are native to the neotropics.[8] Lasianthus strigosus, from Queensland, is the only species known from Australia. The Australian Ixora baileyana had at one time been placed in Lasianthus as Lasianthus graciliflorus.[11]
Dried specimens of Lasianthus often shed their flowers and fruit. For this reason, misidentification is common, even in herbaria.
The name Lasianthus has been misapplied to Lisianthius (also spelled as "Lisianthus" or "Lisyanthus"[12]), a genus in Gentianaceae. Lasianthus alatus Aublet is a misspelling of Lisyanthus alatus Aublet, a species now placed in Chelonanthus.
As of March 2023, Plants of the World Online accepted the following species:[1]
Subshrubs, shrubs, or rarely, small trees. - Leaves opposite, distichous. Stipules interpetiolar, usually persistent. - Inflorescences axillary, usually sessile. Flowers small, white. - Calyx with 3 to 6 teeth or lobes; persistent. Corolla with 4 to 6 lobes; throat usually villous. - Stamens 4 to 6, inserted on corolla throat. Anthers dorsifixed. - Stigma with lanceolate or linear lobes. Ovary multilocular. - Ovules basal, erect, 1 per locule. - Fruit a small drupe, usually blue. Pyrenes with thick walls.
The generic name Lasianthus is derived from the Greek lasios, "shaggy, velvety, hairy", and anthos, "flower".[13] The genus was named by William Jack in 1823.[14][15]
Some authors have recognized Dressleriopsis and Litosanthes as genera separate from Lasianthus. Dressleriopsis was sunk into Lasianthus in 1982.[10]
Litosanthes was erected by Carl Ludwig Blume in 1823. It was synonymized under Lasianthus in 1992.[16] DNA sequence analysis has not resolved the question of whether Litosanthes is nested within Lasianthus or separate from it.
Lasianthus, Saldinia, and Trichostachys form the tribe Lasiantheae in the subfamily Rubioideae. Perama is related to this group and might be included within it.[17] Lasiantheae was formerly thought to be close to Psychotria, but is now known to be a basal clade in Rubioideae. It is sister to the large clade containing Coussarea, Psychotria, Spermacoce, and many other genera.[18]
Saprosma and Amaracarpus were traditionally thought to be close to Lasianthus. Saprosma is polyphyletic, with only part of it related to Lasianthus.[17] Amaracarpus is close to Psychotria. The African genera Batopedina and Dirichletia have also been suggested as relatives of Lasianthus.
Only one molecular phylogenetic study has sampled more than a few species from the tribe Lasiantheae. In that study, 11 species of Lasianthus were sampled, but few relationships were resolved.[17]
In 2012, a revision of the Malesian species divided Lasianthus into 3 sections, based on the following type species: L. section Stipulares (Lasianthus stipularis), L. section Lasianthus (Lasianthus cyanocarpus), and L. section Nudiflorae (Lasianthus blumeanus).[3] They did not recognize L. section Pedunculatae (Lasianthus biermanii), which some previous authors had recognized. They considered it to be indistinguishable from L. section Lasianthus.
Lasianthus is a genus of flowering plants in the family Rubiaceae. They are tropical subshrubs, shrubs, or rarely, small trees. They inhabit the understory of primary forests.
Lasianthus has about 180 species. The type species for the genus is Lasianthus cyanocarpus. In 2012, a revision of Lasianthus in Malesia described 131 species. Another 30 or so species grow elsewhere in tropical Asia. Most of these are described in Flora of China or in A Revised Handbook to the Flora of Ceylon. 14 or 15 species are native to the Western Ghats of southwestern India, including the endemic Lasianthus agasthyamalayanus. Fifteen species or perhaps as many as 20 species are known from tropical Africa. Two species (Lasianthus panamensis and Lasianthus lanceolatus), or possibly three, are native to the neotropics. Lasianthus strigosus, from Queensland, is the only species known from Australia. The Australian Ixora baileyana had at one time been placed in Lasianthus as Lasianthus graciliflorus.
Dried specimens of Lasianthus often shed their flowers and fruit. For this reason, misidentification is common, even in herbaria.
The name Lasianthus has been misapplied to Lisianthius (also spelled as "Lisianthus" or "Lisyanthus"), a genus in Gentianaceae. Lasianthus alatus Aublet is a misspelling of Lisyanthus alatus Aublet, a species now placed in Chelonanthus.
Lasianthus es un género con 330 especies[2] de plantas con flores perteneciente a la familia de las rubiáceas.[3] Es nativo de las regiones tropicales de América, África y Asia.
Sufrútices, arbustos o arbolitos terrestres, inermes, las flores bisexuales o rara vez plantas monoicas, algunas veces con olor fétido. Hojas opuestas, isofilas, enteras, sin domacios; estípulas interpeciolares, triangulares, erguidas, persistentes o caducas, aparentemente valvares. Inflorescencias axilares, aglomeradas o rara vez cimosas, paucifloras a multifloras, sésiles a subsésiles, bracteadas. Flores sésiles o rara vez pediceladas, distilas o homostilas, aparentemente protandras; limbo calicino 3-6-lobado, sin calicofilos; corola infundibuliforme a hipo-craterimorfa, blanca a rosada, barbada en la garganta, los lobos 4-6, valvares; estambres 4-6, anteras dorsifijas cerca de la base, incluidas o exertas; estigmas 4-10, incluidos o exertos, lineares o redondeados; ovario 4-12-locular, los óvulos solitarios, basales. Frutos en drupas, subglobosas a oblatas, carnosas, azules a negras; pirenos 4-12, 1-loculares, con 1 semilla, aplanados, lisos; semillas oblongas, lisas.[4]
El género fue descrito por William Jack y publicado en Transactions of the Linnean Society of London 14: 125. 1823.[4] La especie tipo es: Lasianthus cyanocarpus Jack.
Lasianthus es un género con 330 especies de plantas con flores perteneciente a la familia de las rubiáceas. Es nativo de las regiones tropicales de América, África y Asia.
Lasianthus est un genre de plantes à fleurs de la famille des Rubiaceae.
Il existe environ 180 espèces de ce genre réparties dans les régions tropicales, principalement en Asie Tropicale, dans la région Indo-Malaise (130 espèces y sont originaires). Une vingtaine d'espèces sont originaires d'Australie, une autre vingtaine sont originaires d'Afrique, et probablement deux espèces d'Amérique centrale.
Lasianthus est un genre de plantes à fleurs de la famille des Rubiaceae.
Il existe environ 180 espèces de ce genre réparties dans les régions tropicales, principalement en Asie Tropicale, dans la région Indo-Malaise (130 espèces y sont originaires). Une vingtaine d'espèces sont originaires d'Australie, une autre vingtaine sont originaires d'Afrique, et probablement deux espèces d'Amérique centrale.
Lasianthus é um género botânico pertencente à família Rubiaceae[1].
Lasianthus é um género botânico pertencente à família Rubiaceae.
«Lasianthus — World Flora Online». www.worldfloraonline.org. Consultado em 19 de agosto de 2020Lasianthus là một chi thực vật có hoa trong họ Thiến thảo (Rubiaceae).[1]
Chi Lasianthus gồm các loài:
Lasianthus là một chi thực vật có hoa trong họ Thiến thảo (Rubiaceae).
粗叶木属（学名：Lasianthus）是茜草科下的一个属，为灌木植物。该属共有约180种，分布于热带亚洲、大洋洲和非洲。[1]
这是一篇與植物相關的小作品。你可以通过编辑或修订扩充其内容。 
分類 界 : 植物界 Plantae 階級なし : 被子植物 angiosperms 階級なし : 真正双子葉類 eudicots 目 : リンドウ目 Gentianales 科 : アカネ科 Rubiaceae 亜科 : アカネ亜科 Rubioideae 属 : ルリミノキ属 Lasianthus 学名 Lasianthus Jack タイプ種 Lasianthus cyanocarpus Jack. [1] シノニム 462種[3]
ルリミノキ属 Lasianthus はアカネ科に属する低木の1群。瑠璃色の果実をつけるものが多い。
常緑性の低木[4]。茎は直立するか斜めに伸び、あまり分枝をしない。茎の断面は丸いが節の部分では平らになる[5]。托葉が節ごとに2枚ずつあり、3角形で普通は早くに脱落する。葉は対生し、革質で縁は滑らかで裂けたりはしない。一つの枝の葉は1平面上に展開し、葉先は少し伸び出す傾向があり、側脈は先で葉先に向かって弧を描く[6]。
花は葉腋から出るごく短い花序の軸に数個を束にして生じる。頭状に集まって生じる例もある[7]。花序には普通は苞を伴う。萼は筒状で短く、先端が浅く5つ程度に割れている場合もあるが、割れない例もある。花冠は漏斗状で筒の部分は長く、内側には軟毛を密生している。花冠の先端は5裂しており、蕾の時にはそれらはすり合わせ状に重なる。雄蘂は5本で花冠の筒の部分の口近くに着いている。柱頭は糸状でその先端は5裂し、花冠の筒上部の入り口に顔を出す。子房は下位で5室だが、希に4-9室の例もあり、胚珠は各室に1個。果実は液果で、球茎で中に3-5個の種子を含む。黒か瑠璃色に熟す。種子は３角状楕円形。
学名は「毛」と「花」を意味するギリシャ語から作られたもので、花冠の内側にビロードのように毛を密生することからの命名である[8]。
中国南部から東南アジアにかけての東南部の、亜熱帯から熱帯域を分布の中心とし、オーストラリア、アフリカ、キューバにも分布がある[9]。2002年時点での種数は180種ほどであり、このうち東アジアから東南アジア領域に160種があり、アフリカ熱帯域に20種ほど、熱帯アメリカに3種、オーストラリアからは1種のみが知られる[10]。
特に東南アジアの熱帯域には種が多く、この地域の湿潤な森林内では林床の低木として必ず数種を見かけるというが、どれもよく似ているので判別が難しいという[11]。
日本には本属が6種知られるが、九州以北に分布があるのはルリミノキ1種のみである。あとの種は琉球列島に産し、この地域では日本産の全種が存在する。ただし全ての種は固有種ではなく、台湾や中国南部、種によってはそれ以南までの分布がある。
リュウキュウルリミノキ
オオバルリミノキ
種名不詳（マレーシア）
日本ではとりたてて利害は知られていない。
だが海外では、例えば中国南部に分布する L. acuminatissimus は伝統医療で薬用に用いられてきた。そのため現在でもその成分について研究が進められている[15]。
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