Simple categories matching thorny:

• tree,
• species,
• plant,
• shrub,
• bush,

Members with property thorny:

• hawthorn,
• rose,
• locust,
• aralia,
• agave,
• acacia,
• dog_cactus,
• huisache,
• blackthorn,
• native_whitethorn,
• cactaceae,
• sisal,
• yucca,
• holly,
• rosa,
• nettle,
• mesquite,
• native_rose,
• barberry,
• farmer,
• catclaw_acacia,
• rose_bush,
• cactus,
• crataegus,
• multipurpose_tree,
• salmonberry,
• bramble,
• gorse,
• brier,
• pyracantha,
• wintergreen_barberry,
• buckthorn,
• ocotillo,
• bougainvillea,
• prickly_pear,
• hawaii_raspberry,
• thorn_acacia,
• thistle,
• firethorn,
• shrub_rose,
• small_palm,
• bush,
• firethorn_pyracantha,
• devil_bush,
• cotoneaster,
• sloe,
• raspberry,
• lantana,
• rosebush,
• gooseberry,
• catclaw,
• gardener,
• aloe,
• hackberry,
• holly_bush,
• forestry_worker,
• blackberry,
• black_locust,