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Taxaceae
Taxaceae (), commonly called the yew family, is a coniferous family which includes six extant and two extinct genera, and about 30 species of plants, or in older interpretations three genera and 7 to 12 species.
AI overview
The yew family (Taxaceae) is a group of coniferous plants that includes about 30 species found in six living genera around the world. These plants matter because they represent an important branch of conifer diversity, though they are relatively small in number compared to other conifer families.
AI-generated from the Wikipedia summary — may contain errors.
Species
Taxaceae
FAMILY
- KingdomPlantae
- PhylumTracheophyta
- ClassPinopsida
- OrderPinales
- FamilyTaxaceae
Observations recorded327,517
Genera 穗花杉屬 Amentotaxus Austrotaxus 三尖杉屬 Cephalotaxus † Diploporus 白豆杉屬 Pseudotaxus † Sommerxylon 紅豆杉屬 Taxus 榧樹屬 Torreya 紅豆杉科是松柏目下的一個科，其中包括7個屬，約30種植物。 紅豆杉科物種多是分枝的小喬木和灌木。是常綠樹種，葉螺旋狀排列，呈線形至披針形，底面有淡綠色或白色的氣孔帶。雌雄異株，很少雌雄同株。種子堅果狀，包於肉質假種皮內。成熟的假種皮顏色鮮豔，柔軟，多汁，甜，吸引鳥進食，然後透過糞便把種子傳播到其他地方。然而，種子對人體有毒，含劇毒物質紫杉鹼和紫杉醇。[3] 分佈 除澳大利亚的Austrotaxus一屬一種產於南半球外，其他分別分佈在北半球的溫帶至亞熱帶地區。 參考文獻 ^ Manchester, S.R. Fruits and Seeds of the Middle Eocene Nut Beds Flora, Clarno Formation, Oregon. Palaeontographica Americana. 1994, 58: 30-31. ^ Christenhusz, J. M. M.; Reveal, J. L.; Martin, F. G.; Robert, R. M.; Chase, W. M. Linear sequence, classification, synonymy, and bibliography of vascular plants: Lycophytes, ferns, gymnosperms and angiosperms (PDF). Phytotaxa. 2011, 19: 1–134. ^ Yew Poisoning: MedLine Plus Medical Encyclopedia
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Research
1,318 papers~6 min read
Article
6 sectionsContents
- Description
- Distribution
- Classification
- Phylogeny
- Extinct genera
- Footnotes
Taxaceae (), commonly called the yew family, is a coniferous family which includes six extant and two extinct genera, and about 30 species of plants, or in older interpretations three genera and 7 to 12 species.
== Description == They are many-branched, small trees and shrubs. The leaves are evergreen, spirally arranged, often twisted at the base to appear 2-ranked. They are linear to lanceolate, and have pale green or white stomatal bands on the undersides.