black spiny branches of styphnolobium japonicum with dry pods against grey sky

bare botany branch chill chinese cold dark dead decay deciduous depressive dry dull fading flora frost gray grey icy japanese japonica japonicum leafless melancholy naked nature ornamental outdoors pagoda park perennial plant pod prickle sadness scholartree season sharp shedding silhouette sky sophora styphnolobium thorn tree weather winter wither wood zagy zig