Family: Rosaceae

Scientific name: Crataegus monogyna Jacq.

Name Spanish: Hawthorn

Name Local vernacular: Gurrillon

Description: Shrub or small deciduous tree. Spiny. Leaves rhombic or ovate-cuneate, petiolate. Corymbose inflorescence. Pentamerous, white, fragrant flowers. Reddish, glabrous knob.

Traditional culture: In Burgui it was used to make ajaus (hoe) handles. 

Family: Pinaceae

Scientific name:Pinus sylvestris L.

Name Spanish: Scots pine

Name Local vernacular: Pine royo/ Ler

Description: Tree up to 40 m. Thick, reddish-brown trunk with thin, pale orange to reddish orange rhytidome at the top. Leaves in fascicles of 2, stiff, acute, blunt, submarginal resin canals. Strobiles yellowish brown.

Traditional culture: Tree par excellence of the Roncalese wood industry and the main protagonist of its almadías.

Family: Buxaceae

Scientific name: Buxus sempervirens L.

Name Spanish: Boxwood

Name Local vernacular: Ezpel

Description: Monoecious shrub. Leaves simple, opposite, leathery, lustrous, evergreen, ovate to elliptic, base attenuate; glabrous or sparsely hairy at the base of the veins on the upper side; dark green on the upper side and almost yellowish on the underside. Flowers in dense axillary glomerules. Fruit in a capsule.

Traditional culture: Its wood has been employee used in handicrafts to make boxwood spoons. With boxwood stakes cleaned of twigs and about two metres high, vanetas (green beans) are allowed to grow in the orchards. Bunches of blessed boxwood were placed at the windows to prevent lightning strikes.

Family: Ranunculaceae

Scientific name: Clematis vitalba L.

Name Spanish: Clamp

Local vernacular name: Ligarza / Bilorra / Betiquera /

Description: Perennial, climbing. Leaves 1-pinnatisect, segments petiolate, ovate, ovate-cordate or ovate-lanceolate, entire, crenulate or toothed. Cymes paniculiform. Achenes compressed.

Traditional culture: Climbing plant used by children as an initiation to smoking.

Family: Labiatae

Scientific name: Lamium maculatum L.

Name Spanish: Dead Nettle

Name Local vernacular: Asunbelz, asuna

Description: Stoloniferous rhizomatous perennial herb. Leaves obcordate or ovate, cordate or truncate, with acuminate, toothed-crenulate to serrate apex. Inflorescences with 3-4 whorls, with 4-10 purple or pale pink flowers. Nucules greenish-brown, with white pits.

Traditional culture: Used to fix digestive or liver problems.

Family: Taxaceae

Scientific name: Taxus baccata L.

Name Spanish: Yew

Name Local vernacular: Aginz / Wild lime tree

Description: Shrub or tree with pyramidal crown and horizontal branches. Dioecious. Leaves linear, flattened, dark green on the upper side, yellowish on the underside. Seed covered by fleshy red aril.

Traditional culture: Its wood is prized for its extreme strength for making tools or heavy-duty parts. In Burgui, yew is also known as wild lime.

Family: Fagaceae

Scientific name: Fagus sylvatica L.

Name Spanish: Beech

Name Local vernacular: Bago

Description: Deciduous tree. Smooth, ashen bark. Leaves, distichous, petiolate, ovate or elliptic, with acute apex and wavy margin, red before falling. Unisexual flowers. Fruit in achenes (beechnut).

Traditional culture: Beech wood is valued not only in carpentry or construction, but also as firewood. It was used to make the traditional slatted roofs called ôl or egargei. The Yule log(sekularoegurra or sekulorunena) could be made from beech or oak.

Family: Caryophyllaceae

Scientific name: Silene vulgaris (Moench) Garcke

Name Spanish: Colleja

Name Local vernacular: Martinklaxka

Description: Perennial plant, multicaule, hermaphrodite. Leaves mucronate, ciliate-denticulate, glabrous or pubescent. Inflorescence dicasial lax. Flowers white to pale pink. Fruit in capsule.

Traditional culture: Children played by exploding their flowers by beating them into bunches while holding them with three fingers by bumping them against their hand.

Family: Polygonaceae

Scientific name: Rumex acetosella L.

Name Spanish: Acederilla

Local name Vernacular: Txiripitxiri

Description: Perennial plant. Green or glaucous. Rhizome developed. Leaves linear to ovate, hastate or sagittate. Inflorescences with simple or branched branches, whorls of 6-10 flowers. Valvae equal in length to the achene. Achenes linear or claviform.

Traditional culture:In Burgui, the txiripitxiri is considered a weed that proliferates in fallow land, although its leaves are eaten in salads.