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Sepals 8.4-10.8 mm, mucro 0.8-2.2 mm, ratio of mucro/sepal length = 0.09-0.22, outside with 0.3-1.4 mm antrorse ± appressed nonglandular trichomes and purplish 0.3-1.1 mm patent glandular trichomes, inside glabrous.

萼片8.4-10.8毫米,短尖头0.8-2.2毫米,短尖头/萼片长度比率=0.12-0.31,外面具0.4-1.2毫米多少开展的非腺状毛和有时具0.2-0.6毫米开展的具腺毛,里面无毛。

Spikelets laterally compressed, florets several, all bisexual or lowest sterile and without a palea; rachilla glabrous, disarticulating above glumes and sterile floret and between fertile florets; glumes lanceolate, shorter than lemmas, subequal or unequal, scarious-membranous, 1–3-veined, obtuse to acuminate or aristulate; lemmas ovate-lanceolate, scarious-membranous, 3-veined, long-ciliate on lateral veins, keeled, apex setaceously bidentate with a short, often recurved awn from the sinus; palea shorter than lemma, hyaline, keels very shortly ciliate.

小穗侧面压扁,小花数个,全部不育和没有一内稃的最低的两性的或;高于颖片和不结果的小花无毛,脱节的小穗轴和在肥沃的小花之间;披针形的颖片,短于外稃,近等长或不等长,干膜质膜质,1-3脉,具小芒的钝到渐尖或;卵状披针形,干膜质的外稃膜质,3脉,具长缘毛在侧脉上,龙骨状,先端setaceously具双齿具短,通常下弯从那里那些凹缺;内稃短于外稃,透明,龙骨非常短的纤毛。

Petiole 2–4 mm, thick, densely brown hirsute; leaf blade elliptic, elliptic-lanceolate, or subovate, 3–7.5 × 1.5–3 cm, papery, lateral veins 5 or 6 pairs, abaxially brown hirsute, gradually glabrate, adaxially sparsely pilose when young, glabrescent, base broadly cuneate or subrounded, margin sparsely sharply serrate, apex acuminate to caudate, sometimes 3-lobed. Inflorescences umbellate or simple corymbose, 0.8–1.5 × 0.8–2 cm, nearly without peduncle, 3–8-flowered; bracts subulate, 4–5 mm, slightly pubescent.

叶柄2-4毫米,厚,浓密棕色具粗毛;叶片椭圆形,椭圆状披针形,或近卵形, 3-7.5 * 1.5-3 厘米,纸质,侧脉5或6对,背面棕色多毛,逐渐脱毛,正面幼时疏生柔毛,后脱落,基部宽楔形或近圆形,花序伞形的或单的伞房状, 0.8-1.5 * 0.8-2 厘米,近没有花序梗,花;钻形的苞片,4-5毫米,稍具短柔毛。

Male flowers (3-)5-7 in cymules, pedicellate; bracts triangular, pilose to ciliate, at base with a pair of elongate-spheroidal to elliptic glands touching axis of thyrse and sometimes decurrent; calyx with 3 sepals, fused at base; petals and disk absent; stamens 3; filament and anther of similar length.

雄花(3-)5-7在小聚伞花序,有花梗;三角形的苞片,具柔毛到具缘毛,在基部具一对拉长近球形到椭圆形腺体与轴接触和有时下延;花萼具3萼片,在基部愈合;花瓣和花盘无;雄蕊3;相似的长度的花丝和花药。

This paper made a systematic research on Lonicerafulvotomentosa Hsu et S.C. Cheng, which grows well inkarst areas, from its biological characteristics, such asmorphology, growth and physiology. The main conclusions asfollows:(1)From the viewpoint of morphological anatomy, it hastypical xerophyte structures such as well-developed epidermisand tissues that transport water effectively, small leaf area,dense floss under the leaf surface, high stoma density, thesmall opening degree, thick cuticle, well-developed xylem andpalisade tissues, etc. The pollen of L. fulvotomentosa isseems to be spherical, and has 3 grooves, much bulge on theepidermis evenly. The shape of pollen is an important featureon taxonomy. The ripe fruit has from 1 to 18 seeds, some fruitbranch has 135 berry, its diameter is up to 0.8 centimeter.(2)From the viewpoint of growth, L.

本文从形态解剖、生长发育的节律、光合生理特性以及种子萌发生理等生物学特性方面对喀斯特适生经济植物黄褐毛忍冬进行了较为系统的研究,得出以下结论:(1)在形态解剖上,黄褐毛忍冬根茎中含有发育良好的周皮和输导组织,导管密度大,横截面宽,周皮的形成具有节制蒸腾、通气作用和保护组织免受外界环境影响的作用,宽的导管对水分的输导效率高;叶片密被绒毛,面积较小,气孔密度大、开度小,厚的角质层和发育良好的木质部和栅栏组织等是典型的旱生结构;黄褐毛忍冬花粉近球形,具3 孔沟,表面具均匀分布的小刺,刺间具网状纹理。

Spikelets alike (except Cortaderia , Elytrophorus ), laterally compressed, fertile florets several, uppermost florets reduced, disarticulating between florets; floret callus usually bearded, short and obtuse or elongate; glumes persistent, variable in length, shorter than lemmas to as long as spikelet, usually membranous, 1–9-veined, apex acute to acuminate; lemmas rounded on back, hyaline to leathery, glabrous, pilose or villous, hairs sometimes in tufts,(1–)3–11-veined, apex entire or 2-lobed, awnless or a straight or geniculate awn with flat twisted column arising from apex or sinus, lobes often extended into bristles; palea well developed.

除Cortaderia,Elytrophorus之外一样的小穗,侧面压扁,能育小花数个,在小花之间退化,脱节的最上部的小花;通常公然反对,缺乏的小花结茧和抑制或者拉长;颖片宿存,在背面上圆形的外稃,透明的到革质,无毛,具柔毛或者具长柔毛,有时的毛成丛,(1-)3-11脉,内稃发育良好。

Calyx closed in bud, laterally divided to base, spathelike at anthesis, floccose to lanate-woolly.

花萼在芽中关闭,侧面全裂至基部,佛焰苞状的在花期,对具绵状毛具绵状毛被丛卷毛。

Capsule dehiscing loculicidally, long, terete, compressed, yellow-brown floccose to lanate-woolly; septum woody, compressed, with 1 concave midrib.

室背开裂蒴果开裂,长,,压缩,黄褐色对具绵状毛具绵状毛;隔膜木质,压缩,具1凹的中脉。

Fruit dehiscent siliques, linear, latiseptate, sessile; valves with a prominent midvein, glabrous or rarely pubescent with stalked, forked and 3-rayed trichomes, smooth; replum rounded; septum complete; style obsolete or to 0.2 mm; stigma capitate, entire.

果开裂长角果,线形,,无梗;裂爿具突出中脉,无毛或很少短柔毛具柄,分叉和伞辐毛状体,平滑;假隔膜绕行;隔膜完全;花柱废退的或到0.2毫米;柱头头状,全缘。

Leaf sheaths glabrous; leaf blades linear-lanceolate, 3–6 × 0.3–0.7 cm, glabrous, apex acuminate; ligule rounded, tonguelike, ca. 1.5 mm. Racemes paired, 2–5 cm; rachis internodes thick, outer angle ciliate with long hairs, inner angles shortly ciliate or glabrous.

叶鞘无毛;叶片线形披针形 3-6 * 0.3-0.7 厘米,无毛,先端渐尖;叶舌绕行,舌状,大约配对的1.5毫米外消旋体,2-5厘米;不久的轴节间的厚,外部的角纤毛的具长毛,内部角具缘毛或无毛。

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