Wood Kenneth R, Lorence David H, Wagner Warren L, Fawcett Susan
National Tropical Botanical Garden, 3530 Papalina Road, Kalāheo, HI 96741, USA National Tropical Botanical Garden Kalāheo United States of America.
Department of Botany, Smithsonian Institution, PO Box 37012, Washington, DC 20013-7012, USA Smithsonian Institution Washington United States of America.
PhytoKeys. 2025 Jun 10;257:191-207. doi: 10.3897/phytokeys.257.154236. eCollection 2025.
A new endemic species of from Kaua'i, Hawaiian Islands, is described and illustrated with notes on its distribution, ecology, conservation status, and relationships to other members of the genus. A modification to the existing key for Hawaiian is provided along with a key to all Kaua'i species. , differs from its Hawaiian congeners by its unique combination of glabrous stems, leaves and stipules, flowers 3-10 in open, paniculate cymes with peduncles up to 75 mm long, corolla salverform, lobes 9-11 mm long, calyx lobes 5-9 mm long, and capsules 2-valved with beak 2-4 mm long. Population estimates range from 800 to 1250 individuals distributed across the central northern and eastern windward ridges, slopes and valleys of Kaua'i. represents a new Vulnerable (VU) single-island endemic species.
描述并图示了一种来自夏威夷考艾岛的新特有物种，还记录了其分布、生态、保护状况以及与该属其他成员的关系。同时提供了对夏威夷现有检索表的修订以及考艾岛所有物种的检索表。该物种与夏威夷同属植物的区别在于其独特的无毛茎、叶和托叶组合，花3 - 10朵，呈开放的圆锥状聚伞花序，花梗长达75毫米，花冠高脚碟状，裂片长9 - 11毫米，花萼裂片长5 - 9毫米，蒴果2裂，喙长2 - 4毫米。种群估计数量在800至1250株之间，分布于考艾岛中北部和东部迎风的山脊、山坡和山谷。该物种代表了一个新的易危（VU）单岛特有物种。
