H Hairy-leaved Calliandra 69 Hairy-headed sunflower 52 Haplopappus 55 Hedgehog cactus 97 Hediondilla 40 Heliotropium 88 Heronbill 80 Hesperocallis 13 Heterotheca 35 Hierba-del-pasmo 25 Holacantha 106 Hollygrape 43 Holycross 26 Honey-mesquite 48, 49 Horsenettle 87 How to use this booklet 3 Hymenoclea 65 I Incienso 53 Indianwheat 25 Indigobush 102 Inkweed 108 Iodinebush 108 Ipomoea 99 Ironwood 28, 81 J Jackass-clover 37, 41 Jimmyweed 55 Jimson 11 Jimsonweed 11 Jointfir family 34 Jojoba 104 Joshua-tree 5, 6, 18, 61 Jumping cactus 26 Junco family 106 K Kallstroemia 39 Koeberlinia 106