species : ▁sub sp . p ra ec ox , ▁sub sp . ▁orient alis ▁and ▁sub sp . ▁minim us . ▁ ▁Description ▁Ag ap anth us ▁pra ec ox ▁is ▁a ▁variable ▁species ▁with ▁open - fac ed ▁flowers . ▁It ▁is ▁a ▁per enn ial ▁plant ▁that ▁can ▁surv ive ▁up ▁to ▁ 7 5 ▁years . ▁Its ▁ever green ▁leaves ▁are ▁ 2 ▁cm ▁wide ▁and ▁ 5 0 ▁cm ▁long . ▁Its ▁infl ores c ence ▁is ▁in ▁um bel . ▁The ▁flowers ▁of ▁the ▁ag ap anth us ▁are ▁blue , ▁pur ple ▁or ▁white ▁and ▁blo om ▁in ▁the ▁summer . ▁They ▁give ▁caps ules ▁filled ▁with ▁fine ▁black ▁se eds ▁( to ▁be ▁kept ▁cool ▁in ▁sand ▁until ▁sow ing ). ▁Its ▁stem ▁reaches ▁one ▁meter ▁high . ▁Its ▁roots ▁are ▁very ▁powerful ▁and ▁can ▁break ▁concrete . ▁ ▁Sub species ▁Ag ap anth us ▁pra ec ox ▁sub sp . ▁pra ec ox ▁This ▁sub species ▁occurs ▁in ▁Eastern ▁Cape ▁province ▁of ▁South ▁Africa . ▁It ▁usually ▁grows ▁to ▁between ▁ 0 . 8 ▁and ▁ 1 ▁met re ▁tall ▁and ▁has ▁ 1 0 - 1 1 ▁le ath ery ▁leaves . ▁The ▁blue ▁flowers , ▁appear ▁from ▁December ▁to ▁February . ▁These ▁have ▁per ian th ▁segments ▁which ▁are ▁greater ▁than ▁ 5 0 ▁mm ▁in ▁length . ▁ ▁Ag ap anth us ▁pra ec ox ▁sub sp . ▁orient alis ▁This ▁sub species ▁occurs ▁in ▁Eastern ▁Cape ▁and ▁southern ▁K wa