Catkin: a flowering spike of trees such as willow and hazel. Catkins are typically downy, pendulous, composed of flowers of a single sex, and wind-pollinated. (Lawrence)
Cicatrice/Cicatrix: a scar on the bark of a tree; a mark on a stem after a leaf or other part has been detached.
Colza: see ‘rape’
Clematis:

Furze: another word for gorse.
Gardenia.
Gorse: a yellow-flowered shrub of the pea family, leaves of which are modified to form spines, native to western Europe and North Africa. (found in Lorca)
Greengage: a sweet greenish fruit resembling a small plum. Also the tree bearing this fruit.
Heliotrope.
Rape: plant of cabbage family with bright yellow, heavily scented flowers, esp. a variety, oilseed rape, grown for its oil-rich seed and as stockfeed.
Thistledown: light fluffy down that is attached to thistle seeds, enabling them to be blown about in the wind.
Tuberose: 1. A Mexican plant of the agave family, with heavily scented white waxy flowers and a bulblike base. Unknown in the wild, it was formerly cultivated as a flavoring for chocolate; the flower oil is used in perfumery. T’yoo-buh-rose.