Sentence:  Joan was thinking: ‘She looks like a tree ... it must be the green dress. But her eyes are like water, all greeny and shadowy and deep looking—a tree near a pool, that's what she's like, a tall tree. A beech tree? No, that's too spready—a <WSD>larch</WSD> tree, that's Elizabeth; a <WSD>larch</WSD> tree just greening over.' 
Meaning of the word marked with <WSD> tags:  A coniferous tree, of genus "Larix", having deciduous leaves, in fascicles.