The flower language of what flower is "unspeakable love"

Citronella, a perennial tufted aromatic herb of Gramineae. Its stem is 2 meters high, its leaf sheath is hairless, its inner surface is light green, its tongue is thick, its top is long and tapering, and its edge is smooth or rough. Pseudopanicle has multiple compound branches, slender branches, drooping tops, hairless stems and sparse edges; Sessile spikelets are linear-lanceolate, with narrow upper wing, short fiber hairs on the edge and narrow second lemma. Strong adaptability, like warm and humid environment, not cold-resistant, like plenty of sunshine, and have low requirements for soil. Lemon grass is widely cultivated in the tropics, but also in the West Indies and East Africa. China is mainly distributed in Guangdong, Fujian, Guangxi and Yunnan provinces.