Text 23] Deliverance of the Yamala-arjuna Trees
197
(ānukūlyena kṛṣṇānuśīlanaṁ bhaktir uttamā). Taking birth in the upper planetary system as a demigod is a chance to become a further purified devotee and go back home, back to Godhead. Nārada Muni indirectly gave Maṇigrīva and Nalakūvara the greatest opportunity by his so-called curse.
TEXT 23
श्रीशुक उवाच
एवमुक्त्वा स देवर्षिर्गतो नारायणाश्रमम् । नलकूवरमणिग्रीवावासतुर्यमलार्जुनौ ॥२३॥
śrī-śuka uvāca evam uktvā sa devarṣir gato nārāyaṇāśramam nalakūvara-maṇigrīvāv āsatur yamalārjunau
śrī-śukaḥ uvāca—Śrī Śukadeva Gosvāmī continued to speak; evam uktvā—thus uttering; saḥ—he; devarṣiḥ—the greatest saintly person, Nārada; gataḥ—left that place; nārāyaṇa-āśramam—for his own āśrama, known as Nārāyaṇa-āśrama; nalakūvara—Nalakūvara; maṇigrīvau—and Maṇigrīva; āsatuḥ—remained there to become; yamala-arjunau—twin arjuna trees.
TRANSLATION
Śukadeva Gosvāmī continued: Having thus spoken, the great saint Devarṣi Nārada returned to his āśrama, known as Nārāyaṇa-āśrama, and Nalakūvara and Maṇigrīva became twin arjuna trees.
PURPORT
Arjuna  trees are still found in many forests, and their skin is used by cardiologists to prepare medicine for heart trouble. This means that even though they are trees, they are disturbed when skinned for medical science.