21. In less favourable conditions they show other characteristic growth forms , such as one-sided or extremely low crowns. 22. Numerous small twigs and branches grow from the stem, the bottle tree growth form making it distinctive. 23. The vine growth form may also enable plants to colonize large areas quickly, even without climbing high. 24. Common groupings of lichens based on overall growth form include 1 . bushy or shrubby ( ecorticate. 25. These orchids have a robust growth form . 26. Touch and sight are also important in relation to specific plant characteristics, such as succulence and growth form . 27. However the inflorescence of the " Bottlebrush aloe " is distinctive, and its growth form is nonetheless recognisable. 28. It is a variable species, with different populations differing in the leaf shape, colour, growth form and tubercles. 29. In an infected human or animal, however, it converts in growth form and becomes a large-celled budding yeast. 30. Growth forms , including minute organisms and minerals have been a theme informing his work from the very beginning.
