Category: H

  • Helicoid

    Helicoid

    Spiralling in three dimensions.  

  • Helically twisting

    Helically twisting

    Spiralling in three dimensions.  

  • Helically

    Coiled like a spring.  

  • Hebepetalous

    With pubescent petals [unusual term, not recommended].  

  • Hebegynous

    With pubescent pistil [unusual term, not recommended].  

  • Hebecladous

    With pubescent branches [unusual term, not recommended].  

  • Hebecarpous

    With pubescent fruit [unusual term, not recommended].  

  • Heath

    Community of low woody shrubs with small, narrow leaves. An area of vegetation covered with dwarf shrubs of the Heath family, such as Heather (Calluna) or Heath (Erica), on poor, acid, Gland (1) Gland (2) Glandular hairs usually sandy and well-drained soil, or it may be damp (wet-heath). Any plant of the genus Erica, or…

  • Heartwood

    The innermost and oldest dead wood in a tree, usually distinct in colour and properties from the outer sapwood. The dense, hard, innermost wood of a tree trunk.  

  • Head

    Short dense inflorescence, capitulum. A cluster of flowers crowded closely together at the tip of a floral stem. A cluster of tiny flowers densely packed on a single receptacle. The cluster may resemble a single flower. A globose cluster of sessile flowers, collected at the same point of the peduncle. Capitulum, a dense spherical or…