FROSTWEED
\fɹˈɒstwiːd], \fɹˈɒstwiːd], \f_ɹ_ˈɒ_s_t_w_iː_d]\
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perennial of the eastern United States having early solitary yellow flowers followed by late petalless flowers; so-called because ice crystals form on it during first frosts
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tall perennial herb having clusters of white flowers; the eastern United States
By Princeton University
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perennial of the eastern United States having early solitary yellow flowers followed by late petalless flowers; so-called because ice crystals form on it during first frosts
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tall perennial herb having clusters of white flowers; the eastern United States
By DataStellar Co., Ltd
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An American species of rockrose (Helianthemum Canadense), sometimes used in medicine as an astringent or aromatic tonic.
By Oddity Software
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An American species of rockrose (Helianthemum Canadense), sometimes used in medicine as an astringent or aromatic tonic.
By Noah Webster.
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Erigeron Philadelphicum, Helianthemum Canadense.
By Robley Dunglison
Word of the day
Proto Oncogene Proteins c erbB 2
- cell surface protein-tyrosine kinase that is found to be overexpressed in significant number adenocarcinomas. It has extensive homology can heterodimerize EGF EPIDERMAL GROWTH FACTOR), 3 receptor (RECEPTOR, 3) and the 4 receptor. Activation of erbB-2 receptor occurs during heterodimer formation with a ligand-bound erbB family members. EC 2.7.11.-.