lá kim
Definition
Noun:
- Needle: A long, thin, and typically pointed leaf, especially of coniferous trees like pines, firs, and spruces.
- Scale: A small, flattened, overlapping leaf, as found on some cypress or juniper trees. (While "lá kim" literally means "needle leaf," in botanical context it can encompass both needle-like and scale-like leaves of conifers).
Attributive Noun:
- Coniferous: Used to describe a plant that bears such leaves. For example, "cây lá kim" means a coniferous tree.
Usage Examples
- Noun:
- Thông và tùng có lá kim. (Pines and firs have needles.)
- Lá kim thường rụng ít và từ từ. (Needles typically shed slowly and in small quantities.)
- Attributive Noun:
- Rừng lá kim phổ biến ở vùng ôn đới. (Coniferous forests are common in temperate regions.)
Advanced Usage
- In botanical classification, "lá kim" is a key characteristic of most gymnosperms in the division Pinophyta.
- The structure of "lá kim" (with a thick cuticle and sunken stomata) is an adaptation to reduce water loss.
Variants and Related Words
Cây lá kim (n): Coniferous tree, conifer.
- Phần lớn cây lá kim là cây thường xanh. (Most conifers are evergreen trees.)
Lá rộng (n): Broadleaf. This is the contrasting term to "lá kim."
- Sồi và phong là cây lá rộng. (Oak and maple are broadleaf trees.)
Synonyms
- Needle: The most direct synonym for the leaf shape.
- Conifer leaf: A more technical term.
- Pine needle: A common specific example.
Related Terms
- Thường xanh (adj): Evergreen. Most, but not all, "cây lá kim" are evergreen.
- Quả nón (n): Cone. The typical fruit of a coniferous tree.
- Nhựa (n): Resin. A substance commonly produced by coniferous trees.