Common name
English: Ironweed, Little Ironweed, Vernonia
Mandarin: 夜香牛 (ye xiang niu)
English: Ironweed, Little Ironweed, Vernonia
Mandarin: 夜香牛 (ye xiang niu)
Kingdom: Plantae (2635)
Phylum: Tracheophyta (2573)
Class: Magnoliopsida (2146)
Order: Asterales (237)
Family: Asteraceae (221)(family description)
Genus: Cyanthillium (1)
Epithet: cinerea (L.) H.Rob. (3)
Synonyms: Blumea chinensis (L.) DC., Blumea esquirolii H.Lév. & Vaniot, Cacalia cinerea (L.) Kuntze, Cacalia erigerodes (DC.) Kuntze, Cacalia erigeroides Kuntze, Cacalia exilis (Miq.) Kuntze, Cacalia kroneana (Miq.) Kuntze, Cacalia rotundifolia Willd., Calea cordata Lour., Chrysocoma violacea Schum. & Thonn., Cineraria glaberrima Spreng., Claotrachelus rupestris Zoll. & Moritzi, Conyza abbreviata Wall., Conyza bellidifolia Wall., Conyza chinensis L., Conyza cinerascens Wall., Conyza cinerea L., Conyza elegantula Wall., Conyza heterophylla Lam., Conyza incana B.Heyne, Conyza ivifolia Burm.f., Conyza mollis Willd., Conyza prolifera Lam., Conyza sinensis J.F.Gmel., Conyza subsimplex Wall., Crassocephalum flatmense Hochst. & Steud., Cyanopis erigeroides DC., Cyanopsis decurrens Zoll. & Moritzi, Erigeron pisonis Burm.f., Eupatorium arboreum Reinw., Eupatorium myosotifolium Jacq., Eupatorium sinuatum Lour., Isomeria chinensis (L.) Wight, Isomeria cinerea Wight, Monosis elaeagnoides Kunth, Musteron bellidifolium (Wall.) Raf., Pteronia tomentosa Lour., Seneciodes cinereum (L.) Kuntze, Senecioides cinerea (L.) Kuntze ex Britton & P.Wilson, Serratula cinerea (L.) Roxb., Vernonia abbreviata Wall., Vernonia cinerea (L.) Less., Vernonia cyanonioides Walp., Vernonia cyanopioides Walp., Vernonia diffusa DC., Vernonia erigeroides DC., Vernonia exilis Miq., Vernonia fasciculata Blume, Vernonia kroneana Miq., Vernonia lastii Engl., Vernonia laxiflora Less., Vernonia lentii Volkens & O.Hoffm., Vernonia leptophylla DC., Vernonia montana Hook.f., Vernonia physalifolia DC., Vernonia rhomboidea Edgew., Vernonia rhomboides Edgew., Vernonia rupestris (Zoll.) Hook.f., Vernonia sinulata Miq., Vernonia villosa W.F.Wright, Vernonia zollingeriana Sch.Bip.
abbreviata => shortened
arboreum => like a tree
bellidifolium => leaves like the genus Bellis
chinensis => of Chinese origin
cinerascens => with ashen-grey shadings
cinerea => ashen-grey
cinereum => ashen-grey
cordata => heart-shaped, as of leaves having the stalk at the notched end
decurrens => decurrent (as a leaf descending down a stem)
diffusa => spread about, wildly or loosely spreading
esquirolii => in honor of Joseph Henri Esquirol (1870-1934), French missionary, linguist and plant collector in Yunnan, P.R. China
fasciculata => clustered, growing in bundles
glaberrima => very smooth, smoothest
heterophylla => bearing leaves of more than one kind
incana => hoary, grey with age, like grey felt
laxiflora => loose flowered
leptophylla => fine or slender leaves
mollis => soft, tender, usually meaning pubescent like velvet
montana => growing in the mountains
prolifera => proliferous, producing bunched growth or offsets or young plantlets
rhomboidea => diamond-shaped
rotundifolia => referring to the rounded leaves
rupestris => rock-loving, or growing between rocks (rupes, a rock)
sinensis => of Chinese origin
sinuatum => having a deep, wavy margin (like the oak-leaf)
tomentosa => densely covered with short, soft, tangled hairs
villosa => hairy or shaggy
violacea => derived from the Latin "viola" meaning violet
zollingeriana => in honor of Heinrich Zollinger (1818-1859), Swiss botanist working manily in Java
Climate: tropical
Habitat: mesophytic
Habit: herb
Flower colour: violet, white
Check for Cyanthillium cinerea at
World Flora Online, GBIF or IPNI