Pam Burrow's picture

Brooklime

Observed: 1st September 2013 By: Pam Burrow
S159 Neighbourhood Nature - course complete
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Brooklime
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Pam Burrow's picture

Thanks yet again. Can I ask

Thanks yet again. Can I ask about 'pinnately lobed'? I understand that a pinnate leaf is a compound leaf where the pairs of leaflets are arranged in rows ('feather-like'), but where does the 'lobed' fit in? Is it simply that the leaves themselves are both pinnately arranged AND lobed? I hope that you don't mind my asking, but if I don't ask I'll never know!
Pam

lavateraguy's picture

Pinnately lobed was a thinko on my part ...

... water cress has pinnate leaves. Sorry.

Pinnately lobed refers to leaves such as oak and dandelion leaves. Palmately lobed refets to leaves such as sycamore, Norway Maple, plane and sweet gum. Ternately lobed refers to leaves such as field maple or guelder rose.

Pam Burrow's picture

Thanks very much for this

Thanks very much for this clarification. It foes make things much easier.
Pam