铅笔花属：豆科草本植物之一属，主要产于南美洲
习惯用语Stylosanthes elatior
南美铅笔花：一种安宫药- pyrometer
- pyrone
- Pyronil
- pyronine
- pyroninophilia
- pyronyxis
- pyrophobia
- pyrophosphatase
- pyrophosphate
- pyrophosphokinase
- pyrophosphoric acid
- pyrophosphotransferase
- Pyroplasma
- pyropuncture
- pyroscope
- pyrosis
- Pyrosoma
- pyrotic
- pyrotoxin
- pyrovalerone hydrochloride
- pyroxamine maleate
- pyroxylin
- pyrrobutamine phosphate
- pyrrocaine
- pyrroetioporphyrin