符头可以是黑色的(圆形或卵形)或白色的，用在五线谱上以表明音高。符头的形状在历史上有很多种，比如在单音歌颂中。
Noteheads may be black (a circular or oval shape filled in) or white and are used on the staff to indicate pitch. The shape of noteheads has differed historically, as in plainchant.
叶片通常长圆形到卵形，心形的或近如此在基部；叶和果没有短柔毛。
Leaf blade usually oblong to ovate, cordate or nearly so at base; leaf and fruit without pubescence.
聚合果长10 - 12厘米，穗状；蓇葖长圆形、倒卵形或卵形，顶端圆钝或具短凸尖。
Fruit an aggregate, spicate, 10-12 cm long; follicles long ellipsoid, obovoid or ovoid, apex obtuse or abruptly mucronate.
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