| Species | Habit | Malayalam | English |
| Acacia catechu | Tree | Karingali, Kadiram, Cutch tree | Black catechu, Cutch tree, White kutch |
| Acacia chundra | Tree | Karingali, Kannali | Cutch tree, Red kutch |
| Acacia dealbata | Tree | Wattle | Silver Wattle |
| Acacia farnesiana | Tree | | |
| Acacia ferruginea | Tree | Arimedam, Baabolamaram, Gonthumaram, Karivelam, Parama, Pouvelam, Vanni | |
| Acacia horrida | Tree | | Robber-thorn tree |
| Acacia leucophloea | Tree | Chenkaringali, Vellavelam, Velvelakam, Velvelam, Pattacharayamaram | Distiller's acacia, White babul, White barked acacia |
| Acacia mearnsii | Tree | | Black Wattle |
| Acacia nilotica ssp. indica | Tree | Karivelum, Karuvelakam, Babool | Babul tree, Black babool, Indian gum arabic tree |
| Acacia planifrons | Tree | Kudavelam, Kodavelam | Umbrella thorn |
| Acacia polyacantha | Tree | Venkaringali, Somarayatholi | White cutch tree, White catechu |
| Acrocarpus fraxinifolius | Tree | Kurangadi, Narivenga, Karangan | |
| Acronychia pedunculata | Tree | Chakkimaram, Mavaranchi, Mavuringi, Muttanari, Orilatheeppettimaram, Verukutheeni, Vettukanala, Vidukanali | |
| Actephila excelsa | Tree | | |
| Actinodaphne bourdillonii | Tree | Eeyoli, Malavirinji | |
| Actinodaphne bourneae | Tree | | |
| Actinodaphne campanulata var. campanulata | Tree | | |
| Actinodaphne campanulata var. obtusa | Tree | | |
| Actinodaphne lawsonii | Tree | | |
| Actinodaphne maderaspatana | Tree | Thali, Tyoli, Mungali | |
| Actinodaphne malabarica | Tree | Kambilivirinji, Malavirinji, Neyaram, Pattutthalli, Pukachan | |
| Actinodaphne salicina | Tree | | |
| Actinodaphne tadulingamii | Tree | | |
| Adansonia digitata | Tree | | Babob tree, African Baobab tree |
| Adenanthera pavonina | Tree | Manchadai, Maniadi, Manjati | Circassian tree, Coral wood, Red bead tree, Red wood |
| Aegle marmelos | Tree | Koolakam, Koovalam, Vilvam, Mavilavu | Bael tree, Bengal quince, Holy fruit tree, Indian Bael, Stone apple, Wood Apple |
| Agasthiyamalai pauciflorum | Tree | Poothakkali, Pulivayila | |
| Aglaia apiocarpa | Tree | | |
| Aglaia barberi | Tree | Chuvanna-akil, Karakil | |
| Aglaia bourdillonii | Tree | | |
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