 | John Claudius Loudon - 1838 - 788 หน้า
...discrimination of the species ; since an acquaintance with both the leafy shoot, and the floriferous stem formed in the second year from its remains, is necessary....leaf-stalks more curved than those on the stem. In gome species the inflorescence is remarkable ; but, in general, the panicle varies so much as to afford... | |
 | Society for the diffusion of useful knowledge - 1841 - 522 หน้า
...former. The leaves in all the British species of this division are, occasionally at least, quínate, and, with one exception, digitate, or somewhat pedate...; the prickles on the leaf-stalks more curved than \Viau those of the stem. In some species the inflorescence is remarkable, but in general the panicle... | |
 | 1841 - 524 หน้า
...discrimination of the species ; since an acquaintance with both the leafy shoot and the iloriferous stem, formed in the second year from its remains, is necessary....irregularly; the prickles on the leaf-stalks more curved than than those of the stem. In some species the inflorescence is remarkable, but in general the panicle... | |
 | Charles Knight - 1867 - 660 หน้า
...discrimination of the species ; since an acquaintance with both the leafy shoot and the floriferous stem, formed in the second year from its remains, is necessary....prickles on the leaf-stalks more curved than those of the stem. In some species the inflorescence is remarkable, but in general the panicle varies so... | |
 | Charles Knight - 1867 - 660 หน้า
...former. The leaves in all the British species of this division are, occasionally at least, quínate, and, with one exception, digitate, or somewhat pedate...irregularly; the prickles on the leaf-stalks more curved th;m those of the stem. In some species the inflorescence is remarkable, but in general the panicle... | |
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The rooted ends also become distinct plants at various distances from the parent root, often many yards. This mode of growth adds much to the difficulties in the discrimination of the species ; since an acquaintance with both the leafy shoot and the floriferous... 